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CZ 452
CZ 452
CZ 452
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The CZ 452, also known as BRNO Model Two .22 Rifle is a series of magazine-fed bolt-action rimfire repeating rifles manufactured by the Czech firearms manufacturer Česká Zbrojovka Uherský Brod (abbreviated "CZ-UB", English: Czech Weapons Factory — Uherský Brod) and imported into the United States by CZ-USA. Most versions of the 452 rifle series were discontinued in 2011 and replaced by the CZ 455, although CZ continues to offer the CZ 452 American in a left-hand model, with the bolt handle and ejection port located on the left side of the rifle.

Key Information

During its production life, the CZ 452 was produced in several versions with various barrels, stocks and sights for a variety of rimfire cartridges such as .22 LR, .22 WMR, .17 HM2, and .17 HMR.

History

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First introduced in 1956 as the BRNO Model 2 (ZKM 452), the Model 452 is a refinement of the CZ Model 1 (ZKM-451) .22 calibre rimfire bolt-action training rifle that first appeared in 1947. ZKM is an acronym for Zbrojovka-Koucký-Malorážka, the rifle's manufacturer ([Česká] Zbrojovka), designer (Josef Koucký) and Malorážka - for small calibre).[1][2] The Model 1 or ZKM-451 was developed on the request of the occupying German authority in 1943–44, when a very few rifles were built as fully stocked Mauser 98k type trainers. The receivers of these early .22 training rifles were marked tgf (Tschechische Gewehr Fabrik - German for Czech Rifle Factory) by the German Heereswaffenamt.[citation needed] Because of wartime requirements for combat weapons, assembly and production was halted on all .22 training rifles, leaving a large stockpile of parts and receivers at war's end. After the war, these parts (some of which still have the tgf code) were used along with new barrels and stocks to make the Model 1.

Common Features

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The CZ 452 features a carbon steel barrel that is threaded into the receiver frame, except for rifles chambered for .17 HM2 which have the barrel pinned to the receiver.

Rifles of recent manufacture feature hammer forged and lapped barrels.

The receiver has a dovetail rail for mounting a telescopic sight. The dovetail is either 11 mm or 3/8" depending on the version and cartridge.

The trigger mechanism is adjustable for weight of pull.

A detachable box magazine is used for feeding. Magazines are available in 5- and 10-round capacities for all cartridges, both in steel and plastic. A single-shot adapter and 25-round magazine are also available for use with .22 LR and .17 HM2.

Versions

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American and Special

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The American is equipped with a 22.5" (572 mm) sporter weight barrel. The barrel and receiver have a polished and blued finish. They sit in an American-style, straight-comb, Turkish walnut stock with checkered grip and fore-end, and is trimmed with sling studs and a hard plastic butt plate. It was offered in limited quantities with beech, maple, and fancy walnut stocks. There is no provision for iron sights, as it is designed for use with a telescopic sight. The American was chambered for .17 HM2, .17 HMR, .22 LR, and .22 WMR in right-handed rifles, and for .17 HMR and .22 LR in left-handed rifles. Currently, the left-handed version is still in production.

Versions were offered with either a 16.2" or 22.5" inch barrel with the muzzle threaded (1/2" x 20 threads per inch (TPI)) to accept a sound suppressor. Adapters to allow attachment of U.S. standard (1/2" x 28 TPI) suppressors are available from several manufacturers.

The Special is identical to the American except it is provided with a matte blued finish on the receiver and a beechwood stock that is otherwise identical.

Varmint

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The Varmint is equipped with a 20.5" (521 mm) straight tapered varmint/target barrel. The barrel is polished whereas the receiver has a matte finish; both are blued. The barreled action sits in a varmint-style, straight-comb, walnut stock having a checkered grip with a modest palm swell and a flat-bottomed fore-end, and is trimmed with sling studs and a rubber butt pad. There is no provision for iron sights, as it is designed for use with a telescopic sight. The Varmint was chambered for .17 HM2, .17 HMR, .22 LR, and .22 WMR.

Lux, Trainer, and Standard

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Australian Air Force Cadets using the CZ 452

The Lux is equipped with a 24.8" (630 mm) barrel that is provisioned with tangent sights. The barrel is polished whereas the receiver has a matte finish; both are blued. The barreled action sits in a walnut stock in the European-style with checkered grip, schnabel fore-end, and arched (curved) comb sometimes referred to as a Bavarian or "hogback" stock, and is trimmed with European sling swivels and a hard plastic butt plate. The lower drop at the heel and arched comb of the stock are designed to aid shooting with iron sights. The rear tangent sight is graduated in 25 meter increments with calibrated markings from 25 to 200 meters, while the sight leaf is adjustable for windage. The hooded front sight blade is adjustable for elevation. The Lux was chambered for .22 LR and .22 WMR. A left-handed version was chambered for .22 LR.

The Trainer, also known as the Special or Special Military Training Rifle, is a cadet rifle identical to the Lux except it is provided with a beechwood stock that is otherwise identical. The Trainer was chambered for .22 LR and .17 HMR.

The Standard is identical to the Trainer except the grip of the beechwood stock is not checkered. This and the Trainer is in use with many cadet organisations, a few being the Australian Air Force Cadets, Australian Navy Cadets and Australian Army Cadets.[3]

Ultra Lux and Super BRNO

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A tangent sight on a CZ 452 rimfire rifle, with calibrated markings for ranges out to 300 meters

The Ultra Lux is equipped with a 28.6" (727 mm) barrel that is provisioned with tangent sights. The extra length of the barrel is intended to improve sight radius and thus accuracy when using open sights. The barrel is polished whereas the receiver has a matte finish; both are blued. The top of the barrel is marked "SUPER EXCLUSIVE" and the trigger is gold plated. The barreled action sits in a European beechwood stock with a checkered grip, a Bavarian-style comb that also features a cheek piece, and is trimmed with European sling swivels and a rubber butt pad. Early in production, 110 rifles were made with a walnut stock. Unlike the Lux and Trainer, the tangent sight is calibrated from 25 to 100 meters in 25 meter increments, and then extends to 300 meters in 50 meter increments. The rear sight leaf is adjustable for windage, while the hooded front sight blade is adjustable for elevation. The Ultra Lux was provided with a 10-round magazine, and chambered for .22 LR.[4]

The Super BRNO preceded the Ultra Lux. It is essentially the same; however, the finish of its beechwood stock has an orange hue, the top of the barrel is marked "SUPER BRNO SAA 2500," the trigger is silver in color, and it was provided with a 5-round magazine. These are reported to have originally been produced as training rifles for Egypt, who refused, at which point CZ made them available to the public. Production was only 2,500 rifles.

Scout

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The Scout is a compact rifle intended for young shooters, with reduced stock dimensions, reduced weight, and a single-round loading device. The reduced stock dimensions and weight also make it suitable for smaller adults. The single-round loading device helps teach ammunition conservation and marksmanship. It has a shortened beechwood stock with a straight, slightly dropped comb, and a blued metal finish. It also uses notch and post sights.

Silhouette and Style

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The Silhouette was designed for small-bore metallic silhouette shooting competitions, and to meet the requirements of the IMSSA. It is essentially a CZ American action and barrel in a synthetic stock with a raised comb and cheek piece. Blued metal finish.

A version was offered with a 16.2" inch barrel with the muzzle threaded (1/2" x 20 threads per inch (TPI)) to accept a sound suppressor.

The Style is identical to the Silhouette except that it features a matte nickel electroplate finish on all metal surfaces except for the bolt and trigger assemblies.

FS (Full Stock)

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The FS, short for Full Stock, features a carbine length (20.7") barrel and a Mannlicher–Schönauer-style full-length Turkish walnut stock with checkering on the pistol grip and forearm. The FS features the same tangent sights as the Lux and Trainer. The dovetail rail on the receiver accepts either 11 mm (for 22 LR versions) or 3/8" (for 17 HMR and 22 WMR versions) scope rings.

Grand Finale

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Released in 2017, the Grand Finale is a limited run of 1,000 rifles to commemorate the CZ 452 line. It follows the pattern of the CZ 452 American, but features an oil-finished walnut stock with ebony fore-end tip and grip cap, is hand engraved with a high polish blued finish, has a gold plated trigger, and features a custom metal magazine floor plate. It is provided with matching engraved and high polish blued scope rings.

Variants

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CZ 453

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The CZ 453 is essentially the same as the CZ 452; however, it is equipped with a fully adjustable single-set trigger. Some components, such as a different trigger housing and unique action screws, differ from the CZ 452 to accommodate the single set trigger, and thus the CZ 453 trigger cannot be retrofit into a CZ 452. Three versions were produced: American, Varmint, and Lux. The American and Varmint are essentially the same as the respective CZ 452 version. The Lux is akin to the CZ 452 version, but features the modern stock of the CZ 527 Lux, which features panel checkering on the grip and fore-end, a cheek piece, and a rubber butt pad. The Lux was only offered in 22 LR.

CZ 513

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The CZ 513 Basic (or Farmer as it is known outside the USA) is an economy version of the CZ 452, and with a 20.9-inch barrel and an uncheckered beechwood stock. The trigger is not adjustable, and the rear sight is a simple notch and post type.

See also

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

CZ 452

View on Grokipedia
from Grokipedia
The CZ 452 is a bolt-action rimfire manufactured by (CZUB) in the , designed primarily for target shooting, small game hunting, and training purposes. Introduced with prototypes developed as a refinement of earlier CZ designs in the mid-1940s and entering full production under the designation ZKM 452 in 1953, it features a machined receiver, hammer-forged barrel, and adjustable trigger, with calibers including .22 Long Rifle (LR), (WMR), and .17 Hornady Magnum Rimfire (HMR). Production continued until its discontinuation in 2011, when it was succeeded by the model, leaving a legacy as a durable and accurate classic in the rimfire category. The rifle's development traces back to post-World War II efforts at CZUB, originally established in 1936, where it evolved from training-oriented prototypes using surplus stocks into a versatile sporting arm during the Soviet era's limited civilian production. By the 1990s, following Czech independence, CZ-USA expanded its export, introducing American-market variants with premium stocks and modern ergonomics to appeal to U.S. shooters. Notable for its two-lug bolt locking system and dovetailed receiver for scope mounting, the CZ 452 achieved sub-minute-of-angle accuracy in testing, making it a favorite for precision rimfire competitions and varmint control. Available in multiple configurations, the CZ 452 lineup included the lightweight Scout and Rifle models with beech stocks for entry-level use, the and American variants featuring checkered for sporting applications, and specialized options like the Varmint with a heavy barrel for or the FS (Full Stock) for a traditional military-style profile. Barrel lengths ranged from 16 to 25 inches, weights from approximately 4 to 7 pounds, and capacities via 5- or 10-round detachable magazines, with some models offering adapters. Despite praises for its craftsmanship and reliability, minor critiques included a somewhat heavy trigger pull with creep and a that operated rearward. Overall, the CZ 452 exemplified European rimfire engineering with its blued finish, robust construction from billet , and adaptability across disciplines, influencing subsequent CZ models and remaining sought after on the for its balance of affordability and performance.

History

Origins and Development

The origins of the CZ 452 trace back to the early , when the predecessor design, known as the ZKM-451 or Model 1, was initiated under the Nazi occupation of . Developed by the Koucký brothers at as a .22 LR for military purposes, the prototypes were completed by , emphasizing a simple bolt-action mechanism suitable for basic marksmanship instruction. Following , the entered production at the factory for the Czechoslovak armed forces and civilian markets, serving as a rugged, affordable option for post-war and sporting use in the newly reestablished republic. In the , the design evolved with the introduction of the Model 2 (ZKM-452) in 1953, a refined version of the Model 1 featuring improvements such as an adjustable trigger, enhanced bolt venting for reliability, and a side-mounted safety to better accommodate scoped shooting. Through the and , continued updates to the Model 2, including refinements to the action and stock for improved and compliance, particularly for Western markets where demand grew for precise .22 rimfire rifles. By 1964, full-scale production shifted to the Česká zbrojovka factory in Uherský Brod, though rifles retained the Brno branding to leverage the established reputation; further modifications in the focused on durability enhancements, such as stronger extractors, to handle varied types reliably. The CZ 452 designation emerged in the 1990s following the privatization of Česká zbrojovka in 1991, marking a of the longstanding ZKM-452 design to align with the company's modern identity while preserving its core attributes. This update prioritized the rifle's proven reliability for .22 rimfire applications, building on Czech traditions that favored straightforward, robust construction—exemplified by the Mauser-inspired bolt and minimal moving parts—to ensure longevity in training and recreational shooting. The rebranded model quickly gained popularity for its balance of simplicity and performance, reflecting decades of iterative development rooted in Czechoslovakia's firearms heritage.

Production and Discontinuation

The CZ 452 rimfire rifle's design originated in the 1940s by brothers Josef and František Koucký, with production of the ZKM-452 beginning in 1953 at Zbrojovka Brno and manufacturing shifting to the Česká zbrojovka (CZ) facility in Uherský Brod in 1964. Over its production run, the model achieved substantial output, with total production reaching 1,173,727 units to serve domestic and international demand. Output peaked during the 2000s as exports expanded, particularly to North American and European markets where the rifle's reliability and accuracy appealed to hunters and target shooters. To meet export requirements, CZ adapted the for various regulations, including configurations compliant with U.S. standards and European safety norms, such as the walnut-stocked American variant introduced in 1998. In 2005, CZ released its first left-hand models, including left-hand versions of the American in .22 LR and .17 Mach 2, to accommodate left-handed users in these regions. Most CZ 452 variants were discontinued in 2011, supplanted by the , which introduced enhanced like tool-free barrel swaps to address evolving market preferences for customizable . This shift reflected broader industry trends toward modular platforms and CZ's strategic pivot to refined actions for better performance and user adaptability. Limited production of select models, including the left-hand American, persisted into the mid-2010s to fulfill remaining demand.

Design

Action and Mechanism

The CZ 452 is a designed specifically for , featuring a two-lug bolt with a non-rotating bolt body that ensures smooth and reliable cycling of .22 . The bolt locks into the receiver via the notch and an opposing lug engaging a recess 180 degrees opposite, while the forms a rotating collar with a cam that cocks the striker during operation. A fixed ejector mounted in the receiver floor provides controlled ejection, where the speed of bolt retraction determines whether spent cases are ejected or merely extracted, enhancing reliability in rimfire applications. The receiver is machined from a single , measuring 1.18 inches in with walls thicker than 0.2 inches to balance strength and weight without excess material. This construction includes a 1.5-inch ejection port and a 0.095-inch gas port for ventilation, along with an integral 3/8-inch for scope mounting. The design draws from proven systems like the and Mauser 98, adapted for precision rimfire use. The trigger mechanism is a single-stage, adjustable unit with a pull weight range of 2.5 to 4.5 pounds, tuned via a nut on the trigger rod for user customization. is provided by a two-position thumb-operated located on the upper tang, which when pushed forward locks both the striker and bolt to prevent firing and operation; in the rearward "fire" position, a red dot becomes visible for quick status confirmation. The CZ 452 accommodates detachable box in 5- or 10-round capacities, typically constructed from or depending on the such as .22 Long Rifle or , and released via a pivoting catch ahead of the . A adapter is also available, converting the to a single-load configuration for or by replacing the standard .

Barrel, Calibers, and Accessories

The CZ 452 features cold hammer-forged barrels designed for durability and precision, with standard lengths ranging from 16 inches to approximately 24.8 inches depending on the configuration. These barrels are typically equipped with a 1:16 twist rate, optimized for stabilizing .22 Long Rifle ammunition and providing consistent accuracy across various shooting distances. The primary caliber for the CZ 452 is .22 Long Rifle, with select models supporting and .17 Hornady Magnum Rimfire, as well as the less common .17 Mach 2. Unlike successor models such as the , the CZ 452's barrels are not designed for user-interchangeable caliber swaps, requiring professional gunsmithing for any reconfiguration due to the fixed threading or pinning into the receiver. Stock options for the CZ 452 include Turkish in various grades, often featuring checkering on the grip and forend for enhanced handling, alongside laminate wood constructions for added stability in certain configurations. Synthetic stocks are available in some variants for resistance and lighter weight. Standard accessories comprise front and rear sling swivel studs for easy attachment, hooded front paired with an adjustable rear sight on applicable models, and an integrated 3/8-inch dovetail rail on the receiver for mounting .

Variants

Training and Standard Models

The CZ 452 model features a full-length stock with a European hogback and fore-end, paired with a 24.8-inch sporter barrel, making it suitable for and introductory marksmanship training. This configuration emphasizes a balance of and functionality for general recreational , with the providing durability and a traditional feel. The Training Rifle variant utilizes a beechwood stock designed in a style, and a 24.8-inch sporter barrel optimized for cadet-style drills and marksmanship instruction. Its robust construction supports extended training sessions, with adjustable to facilitate skill development in open-sight shooting. The employs a simplified stock for ease of handling, along with a 24.8-inch barrel, prioritizing affordability and reliability to introduce beginners to bolt-action rimfire operation. This variant focuses on straightforward design without ornate features, ensuring accessibility for entry-level users. These and standard models share common traits, including weights ranging from 6 to 7 pounds for manageable handling during prolonged use, primary reliance on adjustable for cost-effective sighting, and launch prices under $400 to promote widespread adoption among novice shooters. Their shared bolt-action mechanism, inherited from the core CZ 452 , delivers consistent reliability for foundational .

Varmint and Precision Models

The Varmint model of the CZ 452 is designed for and precision shooting, featuring a 20.9-inch heavy contour barrel that provides enhanced stability and reduced vibration for improved accuracy. It is available with a stock featuring a straight comb and checkered , or synthetic options for durability in field conditions, weighing approximately 7 pounds overall. Some versions include a factory-threaded muzzle with 1/2"-20 threading to accommodate suppressors, facilitating quieter operation during or target practice. The receiver is grooved with a 3/8-inch dovetail for easy mounting of , and the adjustable trigger allows customization for precise shot placement. With match-grade , the Varmint demonstrates sub-MOA potential at 50 yards, making it suitable for extended-range varmint control. The model emphasizes benchrest and metallic , equipped with a 22.5-inch medium contour barrel that balances weight and rigidity for consistent . It utilizes a high-comb synthetic stock with a forend, providing ergonomic support for scoped shooting and reducing influence on follow-up shots, at a lightweight of about 5.3 pounds. The grooved receiver supports standard scope mounts, and the adjustable trigger contributes to its precision-oriented design. This variant excels in controlled environments, achieving tight groups suitable for silhouette events where accuracy at varying distances is critical. The Style model incorporates a precision-oriented barrel profile with a synthetic stock, available for general precision shooting. Unlike the standard sporter barrels, these precision models prioritize heavier or contoured designs to enhance harmonic stability and optical integration for competitive accuracy.

Scout and Youth Models

The CZ 452 Scout is a compact variant designed specifically for youth shooters, featuring a shortened 16.2-inch hammer-forged barrel and a beech wood stock to enhance handling for smaller users. Its slim profile and reduced dimensions include a 12-inch length of pull, making it suitable for introductory training without overwhelming young hands. Weighing approximately 5 pounds, the Scout emphasizes portability and ease of use, with adjustable open sights and an 11mm dovetail on the receiver for mounting optics, though it lacks factory sling swivels for minimalism. A single-round loading device is included to promote marksmanship fundamentals and ammunition conservation among beginners. The CZ 452 American complements scout-style applications with its 22.5-inch sporter barrel, providing a balance of maneuverability and accuracy for use. It features an American-style walnut stock with cut checkering for improved grip, available in both right- and left-hand configurations to accommodate diverse users. At around 6.1 pounds, this model offers a lightweight option for youth transitioning to more versatile shooting, with no but grooved receiver rails for scope attachment. Primarily chambered in .22 Long Rifle, it supports small game hunting and . These models prioritize accessibility for young shooters, with adaptations like the Scout's 12- to 13-inch range and overall weights of 5.5 to 6 pounds facilitating safe, effective introduction to scoped rimfire . Intended for walking, small pursuits, and basic marksmanship practice, they emphasize reliability and low in compact packages.

Premium and Special Models

The premium and special models of the CZ 452 elevate the rifle's design with superior craftsmanship, including high-grade woods, engravings, and refined finishes, appealing primarily to collectors and those desiring heirloom-quality firearms. These variants maintain the core bolt-action mechanism of the CZ 452 series while incorporating aesthetic enhancements that distinguish them from standard configurations. The Ultra Lux model features a high-grade European walnut stock with a hogback and cheekpiece, complemented by a blued hammer-forged barrel measuring 28.6 inches for enhanced precision in long-range shooting. It includes a gold-plated trigger and factory-equipped tangent rear sights adjustable for elevation from 50 to 300 meters, along with a hooded post front sight. The oil-finished stock emphasizes traditional European lines, making it suitable for display as well as target shooting. The Super BRNO variant, produced in a limited run of 2,500 units, showcases an engraved receiver and high-grade Turkish stock with forend and caps for added elegance. Its 24-inch blued barrel pairs with adjustable military-style open sights calibrated to 300 yards, emphasizing its collector-oriented appeal while retaining the rifle's inherent accuracy. This model was initially a special order for European dealers before wider distribution. The FS (Full Stock) model adopts a Mannlicher-style full-length stock with checkering on the forearm and for improved handling and traditional , extending coverage along the 20.7-inch blued barrel. The draws from classic European sporting rifles, providing a balanced, elegant profile ideal for woods carry or formal shooting events, with a 5-round detachable capacity. The Grand Finale edition marks the conclusion of CZ 452 production with a limited series of 1,000 handcrafted rifles, utilizing the final actions manufactured at the facility on original equipment. It includes upgraded American walnut with an oil finish, hand-engraved scrollwork on , barrel, and bottom metal, and a 22.5-inch hammer-forged barrel to honor the model's legacy. A two-position and adjustable trigger further enhance its premium status as a commemorative piece.

CZ 453

The CZ 453 was introduced in 2005 as a refined iteration of the CZ 452 bolt-action rimfire rifle, incorporating a fully adjustable single set trigger (SST) mechanism while retaining the core action design for enhanced precision and reliability, chambered in .22 LR and other rimfire calibers such as .17 HMR, .17 Mach 2, and .22 WMR. This model emphasized simplicity and accuracy, appealing to shooters seeking an upgrade over the standard 452's two-stage trigger without altering the overall platform's proven performance. Production ran for a limited period until its discontinuation in 2011, coinciding with the transition to the CZ 455 series, though some units continued to enter markets post-2011. Key features of the CZ 453 included hammer-forged barrels varying by variant—such as the 22.5-inch (572 mm) length on the American model or the 20.9-inch (532 mm) heavy contour on the Varmint—for optimal balance in target shooting and field use. Stocks were offered in for the American configuration or synthetic for the Varmint, both designed for durability and ergonomic handling, with options for blued or finishes on the receiver. The rifle utilized a detachable 5-round magazine, but a single-shot adapter was available to convert it for manual loading via the ejection port, eliminating the magazine well for simplified operation in training scenarios. These models featured 11mm dovetail rails for scope mounting to support precision optics, without standard . Primarily intended for introductory training among novice shooters, small game hunting like rabbits and squirrels, and , the CZ 453 offered an accessible entry into quality rimfire platforms, often retailing for around $350–$500 in the U.S. during its production, making it a cost-effective choice compared to higher-end competitors. Its set trigger, adjustable from a standard 5-pound pull to under 1 pound when engaged, facilitated precise shot placement, with field tests demonstrating sub-MOA accuracy at 50 yards using match-grade . The design's , including threaded muzzles on some variants for suppressors, further enhanced its versatility for vermin control and recreational shooting while sharing the CZ 452's robust bolt mechanism for smooth cycling.

CZ 513

The CZ 513 was introduced in 2004 as a simplified bolt-action rifle chambered in .22 Long Rifle, designed with compatibility for many components from the CZ 452 platform to offer an economical entry into the series. This model, marketed as the CZ 513 Basic in the United States and CZ 513 Farmer internationally, emphasized straightforward functionality without the refinements of higher-end variants. Key features included a 20.9-inch cold hammer-forged barrel for consistent accuracy, an uncheckered beechwood stock providing a lightweight and durable hold, a 5-round detachable magazine for reliable feeding, and fixed dovetail-mounted optimized for quick and long-term dependability. The non-adjustable trigger and overall construction prioritized simplicity and reduced manufacturing costs, resulting in a weighing approximately 5.4 pounds with an overall length of 39 inches. Aimed at recreational shooters desiring a no-frills alternative to the CZ 452's diverse variants, the CZ 513 appealed to beginners and casual plinkers seeking an affordable, versatile .22 LR option for general use without specialized accessories. Production of the CZ 513 was phased out around alongside the broader CZ 452 lineup, giving way to successor models like the CZ 455.

Legacy

Successors

The CZ 455, introduced in 2010, served as the direct successor to the CZ 452, addressing key limitations of the earlier model's fixed barrel design through a modular system that facilitated easy caliber swaps, such as between .22 Long Rifle and . This was enabled by a single-lug barrel retention mechanism, allowing users to remove and replace the barrel with minimal tools for simplified maintenance and reconfiguration. The platform's interchangeability extended to and other components, promoting versatility across , hunting, and precision applications while maintaining the bolt-action reliability of its predecessor. The CZ 455 was discontinued in the late , though new-old-stock and used examples remain available as of 2025. Building on the , the CZ 457 was released in 2019 as an evolved replacement, incorporating refinements for enhanced performance and user experience. Notable upgrades included a fully adjustable trigger with a factory pull weight range of approximately 1.8 to 3.3 pounds, offering greater customization than the 455's system, alongside improved receiver bedding to reduce vibration and boost inherent accuracy. The action featured a shorter 60-degree bolt throw for faster , flats milled into the receiver sides for a slimmer profile, and a push-forward safety mechanism, all while preserving with 455 barrels and magazines to ease transitions for existing owners. These successors retained core elements of the CZ 452's design ethos, such as cold hammer-forged barrels and robust construction, but prioritized modularity to overcome the original's non-interchangeable components. Although the CZ 452 was largely discontinued from production starting in 2011, limited new-old-stock units remained available through retailers into 2025, providing options for collectors and late adopters. The 455 and 457 lines continue to share interchangeable parts, ensuring ongoing support and adaptability within the CZ rimfire ecosystem.

Cultural and Market Impact

The CZ 452 achieved notable popularity in programs, , and silhouette competitions, attributed to its affordability and consistent accuracy. In contexts, the Military Trainer variant emerged as a preferred option for novice shooters and competitive preparation, thanks to its reliable and compatibility with inexpensive .22 LR ammunition, often described as a "Czech Anschutz" for its quality at a budget price. For , models like the proved effective in tasks, such as rabbit eradication, delivering tight groups within millimeters at 50 yards when paired with appropriate and moderators. Its lightweight design under 6 pounds and smooth operation further enhanced its appeal for extended field use. In silhouette competitions, enthusiasts valued the rifle's sub-inch potential at 50 yards and ergonomic balance, making it a competitive choice before its discontinuation. Market reception for the CZ 452 was overwhelmingly positive, bolstered by its export as part of Česká zbrojovka's extensive international distribution, with nearly all (approximately 97%) of its production exported to more than 100 countries. Reviews consistently praised its value, highlighting the classic blued steel and walnut construction alongside tack-driving accuracy at a fraction of premium competitors' costs; for instance, the American Rifleman lauded its performance and enduring appeal in a 2022 retrospective. This combination of reliability and economy positioned it as a benchmark for entry-level rimfire rifles, influencing buyer preferences toward European imports. Pre-2011 models of the CZ 452 have garnered rising interest among collectors and enthusiasts, with used values averaging approximately $573 as of 2025, reflecting demand for their original hammer-forged barrels and walnut stocks. Aftermarket support sustains this appeal, offering upgrades like adjustable trigger kits from M*CARBO and custom stocks from Richards Microfit, enabling personalization for precision shooting. By 2025, the CZ 452's legacy endures in youth shooting initiatives, where the Scout variant's compact 16-inch barrel and reduced suit young participants, fostering early marksmanship skills. Comparisons underscore its foundational role in establishing CZ's dominance in the rimfire segment, evolving into the versatile 457 series while maintaining core traits of accuracy and affordability that propelled the brand's market leadership.

References

  1. https://chuckhawks.com/cz_452_513.htm
  2. https://guntradenews.com/gun-of-the-week/gun-of-the-week-cz-452-american/
  3. https://www.thefirearmblog.com/blog/2016/07/29/the-cz-452-my-favorite-22-rifle/
  4. https://www.czfirearms.com/en-us/news/cz-452-a-22-you-may-have-started-with-1
  5. https://www.shootinguk.co.uk/news/brno-model-2/
  6. https://www.americanrifleman.org/content/cz-s-classic-452-history-performance/
  7. https://www.rifleshootermag.com/editorial/new_products_cz_051706/84538
  8. https://www.rimfirecentral.com/threads/cz-452-american-year-of-mfg.872218/
  9. https://eshop.czub.cz/en/magazine-cz-455-452-457-512-22lr-10rnd-polymer.html
  10. https://shop.cz-usa.com/single-shot-adapter-cz-452-453-455-512-22lr-17-mach-2-poly12005.html
  11. https://www.midwayusa.com/product/102040747
  12. https://www.budsgunshop.com/product_info.php/products_id/21773/cz%2Busa%2B5%2B1%2B.22%2Blr%2Bbolt%2Baction%2Bw%2Bblue%2Bbarrel%2B%2526%2Bsynth
  13. https://www.thefiringline.com/forums/showthread.php?t=352255
  14. https://forum.accurateshooter.com/threads/cz-452-barrel-change-question.3815282/
  15. https://www.budsgunshop.com/product_info.php/products_id/62356/cz-usa%2Bcz452%2Bth%2Bvarmint%2B.17%2Bhmr
  16. https://thefiringline.com/forums/showthread.php?t=580086
  17. https://www.rimfirecentral.com/threads/cz-452-american-special-and-trainer-weight-differences-from-specifications.60397/
  18. https://bulletin.accurateshooter.com/2007/11/cz-452-american-on-sale-for-27999/
  19. https://www.gun-tests.com/wp-content/uploads/2020/01/0209-CZ-452-Varmint-02041.pdf
  20. https://truegunvalue.com/rifle/cz-usa-cz-452-varmint/price-historical-value
  21. https://gunvalues.gundigest.com/cz/3918/cz-452-silhouette/
  22. https://www.gunmart.net/gun-reviews/firearms/rifles/cz452-silhouette-rifle
  23. https://www.rifleshootermag.com/editorial/new_products_rs_cz452scoutpink_032009wo/84245
  24. https://www.wholesalehunter.com/Product/Details/64477
  25. https://www.budsgunshop.com/product_info.php/products_id/21729/cz-usa%2Bcz452%2Bultra%2Blux%2B.22%2Blr%2B28.6
  26. https://www.gunblast.com/Paco_CZ452.htm
  27. https://www.jgsales.com/product/cz-452-22lr-tiger-stripe-walnut-stock/
  28. https://hitecharms.com/product/cz-452-fs-22lr-mannlicher/
  29. https://www.budsgunshop.com/product_info.php/products_id/11850/cz%2B452%2Bfs%2B.22lr%2Bmannlicher
  30. https://www.k-var.com/cz-452-grand-finale-22lr-bolt-action-rifle-02023-engraved-limited-edition-of-1000-pieces
  31. https://bluebookofgunvalues.com/products/cz-ceska-zbrojovka-rifles-bolt-action-rimfire-commercial-mfg-cz-452-grand-finale-limited-edition
  32. https://czarmshop.com/cz-452-grand-finale-22lr-engraved-limited-edition/
  33. https://www.optics-trade.eu/en/manufacturer-dentler/shopby/compatibility_below-cz_453_11_mm.html
  34. https://www.czmex.com.mx/down/Instruction-Manual-CZ-452-CZ-453.pdf
  35. https://czfirearms.us/index.php?topic=115897.0
  36. https://www.budsgunshop.com/product_info.php/products_id/22982/cz-usa+cz453+american+sst+.22+lr
  37. https://www.shootinguk.co.uk/news/cz-varmint-453-rimfire-rifle-review/
  38. https://www.optics-trade.eu/en/manufacturer-talley/shopby/compatibility_below-cz_513.html
  39. https://www.guntradenews.com/gun-of-the-week/gun-of-the-week-cz-452-american/
  40. https://www.rifleshootermag.com/editorial/featured_rifles_cz-usa_455_rifle_review_050511/84030
  41. https://gundigest.com/rifles/cz-455-one-rimfire-to-rule-them-all
  42. https://czfirearms.us/index.php?topic=101087.0
  43. https://www.coltczgroup.com/en/media-press-releases/what-is-new-in-cz-for-2019
  44. https://www.gunsandammo.com/editorial/cz-model-457-rimfire-rifles-review/385327
  45. https://www.czub.cz/en/firearms-and-products-family/cz-457
  46. https://truegunvalue.com/rifle/cz-452/price-historical-value
  47. https://www.preciseshooter.com/blog/CZ452RangeReport.aspx
  48. https://bulletin.accurateshooter.com/2019/06/rimfire-video-fest-great-cz-rifles-for-training-and-varminting/
  49. https://www.czdefence.com/article/media-days-of-the-cz-uhersky-brod
  50. https://www.westernrifleman.wordpress.com/2009/02/09/cz-452-american/
  51. https://www.mcarbo.com/cz-452-/-455.aspx
  52. https://richardsmicrofitgunstocks.com/makes/cz-452/
  53. https://fieldethos.com/cz-rimfires/
  54. https://www.czfirearms.com/en-us/news/invitation-to-shot-show-2025
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