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.218 Bee
.218 Bee
.218 Bee
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.218 Bee
Left, compared to .223 Remington
TypeRifle
Place of originUS
Production history
DesignerWinchester
Designed1937
ManufacturerWinchester
Produced1937–present
Variants.218 Mashburn Bee[1]
Specifications
Parent case.32-20 Winchester
Case typeRimmed, bottleneck
Bullet diameter.224 in (5.7 mm)
Neck diameter.242 in (6.1 mm)
Shoulder diameter.329 in (8.4 mm)
Base diameter.349 in (8.9 mm)
Rim diameter.408 in (10.4 mm)
Rim thickness.065 in (1.7 mm)
Case length1.345 in (34.2 mm)
Primer typeSmall rifle
Maximum CUP40,000[2] CUP
Ballistic performance
Bullet mass/type Velocity Energy
35 gr (2 g) VMax 3,205 ft/s (977 m/s) 799 ft⋅lbf (1,083 J)
40 gr (3 g) BT 3,130 ft/s (950 m/s) 870 ft⋅lbf (1,180 J)
46 gr (3 g) JFP 2,708 ft/s (825 m/s) 749 ft⋅lbf (1,016 J)
50 gr (3 g) BT 2,654 ft/s (809 m/s) 782 ft⋅lbf (1,060 J)
Source: Hodgdon [3]

The .218 Bee / 5.7x34mmR is a .22 caliber centerfire rifle cartridge designed for varmint hunting by Winchester in 1937. The cartridge was originally chambered in the Winchester Model 65 lever-action rifles, which may have ultimately led to its lack of popularity. The cartridge is named for the bore diameter of the barrel in which the cartridge is chambered rather than the usual practice in the United States of having the cartridge's nomenclature reflect in some way the bullet diameter.

History

[edit]

The .218 Bee cartridge was designed by Winchester for use in their Model 65 lever-action rifles. Winchester designed the cartridge by necking down the .25-20 Winchester cartridge to accept a .224 diameter bullet. Just as the .32-20 can be considered to be the parent cartridge of the .25-20, it can also be considered the parent cartridge to the .218 Bee. The cartridge was introduced as a commercial cartridge by Winchester in 1937 in their Model 65 lever action rifle, which was also chambered for the .25-20 and .32-20 Winchester cartridges. However, while the .25-20 and the .32-20 Model 65 rifles have 22-inch (560 mm) barrels, the rifles chambered for the Bee have 24-inch (610 mm) barrels.

Despite showing some early promise, the cartridge never really caught on, even though it was later chambered by Winchester in their new bolt-action Model 43 rifle and by Sako in their L-46 rifle. There was some question about the accuracy of the .218 Bee as compared to the .222,[4] but that was likely due to the difference of inherent accuracy between the bolt-action rifles commonly chambered for the .222 and the lever-action rifles commonly chambered for the .218 Bee. Although not in common use, it is still a very effective cartridge in its class, for small to medium varmints out to about 200 yards (180 m). Production ammunition and rifles are still available from a few manufacturers.

Performance

[edit]

In terms of relative performance, the .218 Bee falls between the smaller .22 Hornet, and the larger .222 Remington and the more popular .223 Remington.

See also

[edit]

Notes

[edit]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

.218 Bee

View on Grokipedia
from Grokipedia
The .218 Bee is a small-caliber centerfire developed by and introduced in 1938, primarily for and small game. It is based on the case, which itself derives from the , necked down to .22 caliber (.224-inch bullet diameter) to deliver higher velocities and energy than contemporaries like the . With a case capacity of approximately 14.2 grains of water, it typically propels 40- to 55-grain bullets at muzzle velocities of 2,100 to 2,900 feet per second, achieving around 520 foot-pounds of energy at 100 yards—outperforming the .22 Hornet's 445 foot-pounds in similar tests. The cartridge's design emphasized flat trajectories and accuracy for prairie dogs, ground squirrels, and other pests, though its design for lever-action rifles limited pressure to the SAAMI maximum average of 40,000 CUP. Winchester initially chambered the .218 Bee in its Model 65 lever-action rifle, a high-velocity variant of the Model 92, with a 24-inch barrel to maximize performance. It was marketed as a superior alternative to the , which had debuted in 1930, by offering greater speed (up to 2,860 fps with 46-grain bullets in factory loads) while maintaining compatibility with lever-actions. In 1944, expanded availability with the bolt-action Model 43, also offered in and other calibers, enhancing its appeal for precision varmint work. Other manufacturers followed, including Marlin's Model 90 carbine in 1939 and later the Model 1894 lever-action around 1989, as well as limited runs in reproductions, single-shots, and pistols. However, the cartridge's popularity waned post-World War II due to competition from faster .22-caliber options like the (1935) and the more efficient , compounded by ammunition scarcity and the need for blunt-nose bullets in tubular magazines to prevent primer detonation. Despite its decline, the .218 Bee remains a niche favorite among handloaders and vintage rifle enthusiasts for its mild recoil, low cost, and effectiveness on small varmints at ranges under 200 yards. Modern factory loads from and achieve velocities around 2,750-2,760 fps with 40-46 grain bullets, while reloaders often use powders like IMR 4227 or IMR 4198 for optimized performance in s with 1:16-inch twist rates. The cartridge's case measures 1.335 inches in length (trim-to) with a 1.680-inch overall length, and brass can be formed from .32-20 or .25-20 parent cases, facilitating reloading. Its legacy endures in specialized applications, evoking the pre-war era of American lever-action varminters, though it is overshadowed by more versatile modern cartridges.

History

Development

In the mid-1930s, Winchester engineers conceived the .218 Bee to overcome the limitations of the , particularly its insufficient muzzle velocity for effective varmint hunting at extended ranges beyond 200 yards. The , introduced by in 1930, had gained popularity for small game but was constrained by modest powder capacity and performance in lever-action rifles, prompting the need for a more capable .22-caliber alternative. The primary goal was to develop a higher-velocity cartridge using affordable, existing rimmed cases, making it accessible to budget-conscious shooters amid the economic hardships of the Great Depression. By selecting the .25-20 Winchester as the parent case—a rimmed, bottlenecked design already in production—engineers aimed to minimize manufacturing costs while optimizing for lever-action platforms like the Winchester Model 65. This choice positioned the .218 Bee in direct competition with the .22 Hornet, but with enhancements tailored for reliable feeding and function in tubular-magazine rifles. A pivotal design decision involved necking down the case to accept .224-inch bullets. This modification enhanced velocity potential without requiring entirely new tooling, aligning with Depression-era efficiency. Initial prototyping and testing focused on achieving muzzle velocities exceeding 2,800 fps with 45- to 46-grain bullets while maintaining safe pressures below 45,000 psi. These efforts confirmed the cartridge's superiority over the in ballistic flatness and energy retention for varmint applications, paving the way for its commercial viability.

Introduction and Adoption

The .218 Bee was introduced by in 1938 as a centerfire chambered in the Model 65 lever-action , an updated version of the Model 92 with a 24-inch barrel, aimed at revitalizing sales of the platform. Marketed as a "varmint powerhouse," it was positioned as superior to the earlier , offering higher velocity for improved performance on small pests while maintaining low suitable for lightweight rifles and economical hunting. The initial factory load consisted of a 46-grain propelled to 2,860 feet per second from the 24-inch barrel, specifically tailored for varmint and small game applications. Early adoption centered among hunters in the U.S. Midwest and Western regions, where it gained favor for controlling prairie dogs and ground squirrels due to its flat trajectory and minimal pelt damage on fur-bearing . Sales peaked in the late as integrated the cartridge into its lineup, including limited offerings in bolt-action rifles like the Model 43 starting in 1944, though its primary association with lever-actions limited broader appeal among varmint shooters who preferred more accurate single-shot and bolt-action designs. International interest remained minimal, with the cartridge seeing scant production or use outside . Post-World War II, the .218 Bee's popularity declined sharply due to widespread ammunition shortages affecting commercial cartridges and a growing preference for military surplus rifles chambered in the more readily available .22 Hornet. The introduction of the more powerful .222 Remington in 1950 further eroded its market share, as that cartridge offered superior ballistics in modern bolt-action platforms and quickly became a varmint hunting standard. By the mid-20th century, Winchester's sporadic production runs could not sustain demand, leading to the .218 Bee's niche status among reloaders and collectors.

Design

Parent Cartridge and Modifications

The .218 Bee cartridge was developed from the , a rimmed, straight-walled cartridge introduced in 1895 for use in revolvers and lever-action rifles, and itself derived by necking down the case to .257-inch bullet diameter. The primary modifications involved necking down the .25-20 case mouth from .257 inches to .224 inches to accept .22-caliber bullets, while forming a bottleneck shape by introducing a shoulder positioned forward by approximately 0.150 inches relative to the parent case. This adjustment increased the usable case capacity to about 14.2 grains of water, compared to roughly 10-12 grains in the unmodified .25-20, allowing for greater powder charges of 10-14 grains in typical loads versus around 5-8 grains in the original. The resulting design is a rimmed, bottlenecked case with a 15-degree angle, which promotes reliable feeding and extraction in lever-action equipped with tubular magazines. These changes optimized the cartridge for higher operating pressures, with a SAAMI maximum average of 40,000 (equivalent to approximately 46,000 psi), exceeding the capabilities of the lower-pressure .25-20 while maintaining compatibility with its rim dimensions.

Specifications

The .218 Bee is a rimmed, centerfire rifle cartridge with the following key physical dimensions: bullet diameter of 0.224 inches (5.69 mm), neck diameter of 0.242 inches (6.15 mm), shoulder diameter of 0.329 inches (8.36 mm), base diameter of 0.349 inches (8.86 mm), and rim diameter of 0.408 inches (10.36 mm). The case measures 1.345 inches (34.16 mm) in length, with a maximum overall cartridge length of 1.700 inches (43.18 mm). It employs a small rifle primer type and has a case capacity of approximately 14.2 grains of water (varies 14-18 grains by manufacturer). Rifles chambered for the .218 Bee typically feature a recommended twist rate of 1:16 inches, optimized for bullets weighing 35 to 50 grains. The SAAMI-established maximum average operating pressure is 46,000 psi (40,000 CUP), with headspace at the rim (rim thickness 0.065 inches).
DimensionImperial (inches)Metric (mm)
Bullet Diameter0.2245.69
Neck Diameter0.2426.15
Shoulder Diameter0.3298.36
Base Diameter0.3498.86
Rim Diameter0.40810.36
Case Length1.34534.16
Overall Length (max)1.70043.18
Rim Thickness (headspace)0.0651.65

Ballistics and Performance

Factory Loads

The .218 Bee was originally introduced by Winchester in 1938 with a single factory load consisting of a 46-grain hollowpoint soft point bullet propelled to a muzzle velocity of 2,860 feet per second from a 24-inch barrel, generating 836 foot-pounds of muzzle energy. This loading was designed to provide superior performance over the .22 Hornet for varmint hunting, emphasizing flat trajectory and adequate energy for small targets at moderate ranges. In modern production as of 2025, factory ammunition for the .218 Bee remains limited, with Hornady offering a consistent option: a 45-grain hollowpoint bullet at 2,750 feet per second muzzle velocity, producing 756 foot-pounds of muzzle energy. Winchester offers the Super-X line with a 46-grain hollowpoint at 2,760 feet per second for 778 foot-pounds of energy, while Remington has discontinued production. Additional limited-production loads from manufacturers like HSM include 35-grain and 50-grain polymer-tipped varmint bullets, but availability is inconsistent compared to Hornady's standard. Factory loads exhibit average ballistic coefficients of 0.108 to 0.140 for typical spitzer or hollowpoint bullets, contributing to moderate aerodynamic efficiency suitable for short- to medium-range applications. With a 100-yard zero, these loads produce approximately 3 inches of bullet drop at 200 yards, while retention averages around 185 foot-pounds at the same distance for a 45-grain load, supporting an effective varmint range of 150 to 200 yards. The cartridge operates at SAAMI maximum average pressures of 40,000 , resulting in mild of about 1.8 foot-pounds of energy in a 6-pound rifle, comparable to the but with a slightly louder muzzle report due to higher .

Handloading and Custom Loads

the .218 Bee offers opportunities for performance optimization beyond factory , particularly for where higher velocities and tailored bullet selection enhance terminal effects and accuracy. Cases are typically formed by reforming .32-20 Winchester brass, which is readily available from manufacturers like Starline, though direct .218 Bee brass remains scarce. Common reloading powders include IMR 4227 for lighter bullets and IMR 4198 for mid-weight options, with charges around 13-15 grains for 40-50 grain projectiles yielding reliable ignition and consistent velocities. H110 is also favored for 40-50 grain bullets in pursuit of higher speeds, though charges must be carefully managed to avoid . Handloads with 40-grain V-MAX bullets can reach 2,900-3,000 fps from a 24-inch barrel, delivering muzzle energies of 750-800 ft-lbs and providing superior expansion on small compared to standard loads. In single-shot rifles, the use of pointed bullets further improves long-range accuracy by reducing drag and maintaining flatter trajectories beyond 150 yards. An improved variant, the .218 Mashburn Bee, emerged as a 1940s developed by Oklahoma J.E. "Art" Mashburn to address case taper limitations in the parent cartridge. By fireforming standard .218 Bee cases with blown-out shoulders and a sharper angle, it increases powder capacity by approximately 5-10%, enabling velocities up to 3,100 fps with 40-grain bullets while maintaining compatibility with original chamber dimensions. Safety considerations are paramount, as maximum handload pressures approach 50,000 psi, equivalent to the cartridge's SAAMI limit of 40,000 . Neck sizing is recommended to preserve case life and enhance accuracy by minimizing work-hardening, while weights should be restricted to 35-50 grains to ensure proper stabilization in the standard 1:16 barrel twist rate. Exceeding these parameters risks keyholing or excessive pressure in vintage actions like the Model 65. For illustrative purposes, a 40-grain loaded to 2,950 fps with a 100-yard zero exhibits about 2.5 inches of drop at 200 yards, offering a practical sight picture for varmint engagements within ethical ranges.

Applications and Usage

Varmint and Small Game Hunting

The .218 Bee has long been favored for varmint control, particularly targeting prairie dogs, ground squirrels, and woodchucks at distances of 100 to 200 yards, where its flat-shooting characteristics enable precise shots with minimal disruption to surrounding pests. Hunters appreciate its ability to deliver quick, humane kills on these small without excessive tissue damage, making it suitable for population management in agricultural areas. For small game such as foxes and rabbits, the cartridge excels at ranges under 100 yards, using expanding 40- to 45-grain hollowpoint bullets like the 45-grain FNHP or Speer 46-grain FNSP, which promote rapid energy transfer for ethical harvests while preserving pelts through controlled expansion. Its light bullet weight imposes ethical limits, restricting use to smaller to ensure sufficient penetration and avoid wounding larger animals. On coyotes, it proves effective under 150 yards with proper shot placement, though success depends on precise hits to vital areas. Key advantages include negligible recoil, facilitating rapid follow-up shots in lever-action rifles like the Winchester Model 65, and a subdued report that suits near populated regions without alarming neighbors. Historically, the .218 Bee gained popularity among U.S. plains hunters in the and for its reliability in controlling pests during post-war agricultural expansion. Today, it occupies a niche for low-impact varminting where more powerful options like the risk overkill and excessive noise. Limitations are evident beyond 200 yards, where the light bullets succumb to wind drift, reducing accuracy on fleeting targets, and the cartridge lacks the energy for larger game, confining it strictly to varmints and small predators.

Target and Benchrest Shooting

The .218 Bee excels in precision shooting disciplines due to its manageable recoil and capacity for high accuracy with carefully tuned handloads. In heavy-barreled bolt-action rifles such as the Sako L46, ammunition featuring 40-grain bullets like the Speer Spire Point or Hornady V-Max can deliver sub-MOA performance, with consistent groups measuring under 0.5 inches at 100 yards from the bench. This level of precision stems from the cartridge's efficient powder burn and stable bullet flight within its effective range, making it a viable option for informal benchrest sessions where sub-MOA is a benchmark for varmint-class accuracy. For target applications, the .218 Bee supports out to 200 yards, where its minimal —comparable to a .22 rimfire—enables shooters to maintain focus and produce tight groups without fatigue. Bolt-action rifles, such as the Kimber Model 82, further enhance this potential by allowing the use of pointed bullets without tubular magazine limitations, promoting better and consistency. High-quality stocks and adjustable triggers in these platforms contribute to improved shooter stability during extended practice. Despite these strengths, the .218 Bee faces limitations in competitive and advanced target scenarios. Bullet options are narrower than those for the , restricting choices to primarily 30- to 45-grain varmint profiles from manufacturers like , Sierra, and , which may not suit all precision needs. Additionally, the low ballistic coefficients of these light bullets (typically 0.150-0.200) render the cartridge sensitive to wind drift beyond 200 yards, reducing its appeal in open-field benchrest compared to higher-velocity .22 centerfires. remains essential for optimizing accuracy, as factory loads often prioritize blunt-nosed designs for lever-actions over match-grade performance.

Chambered Firearms

Original and Vintage Rifles

The .218 Bee cartridge debuted in the Winchester Model 65 lever-action rifle, introduced in 1938 as a high-velocity varmint round designed specifically for this chambering alongside the .25-20 and options. Production of the Model 65 spanned from 1933 to 1947, with approximately 5,700 to 7,700 total units manufactured, of which around 3,060 were chambered in .218 Bee based on surveys. Featuring a 24-inch round barrel and a tubular magazine suited for the cartridge's rimmed case, the Model 65 offered smooth cycling and was prized for its balance in field use, though its lever-action design limited accuracy compared to emerging bolt-actions. also chambered the cartridge in its Model 90 carbine starting in 1939, a straight-pull bolt-action design with a 16-inch barrel suited for close-range varmint work. Bolt-action rifles soon followed, with the Model 43 entering production in 1948 and continuing until 1953, providing a more precise platform for the .218 Bee among its chamberings in , .25-20, and .32-20. This small-framed, detachable-magazine rifle featured a 24-inch barrel and was marketed as an affordable alternative to the Model 70, emphasizing the .218 Bee's potential for varmint work with its high-velocity loads. The Savage Model 23 series, produced from the 1920s through the 1940s, included take-down bolt-action sporters like the 23A and 23AA that were adapted for .218 Bee in limited numbers through custom work, retaining the lightweight design and 25-inch barrel typical of the line's .25-20 origins. Post-World War II imports expanded options with the L46, a compact bolt-action manufactured from 1946 to c. 1962 and chambered in .218 Bee for the U.S. market, known for its finely finished walnut stock and detachable magazine. These early models represented the bulk of .218 Bee rifles, with total vintage production estimated at several thousand units across manufacturers before discontinued support in the 1950s amid the rise of the . Today, original examples command high collectibility, with well-preserved Model 65 rifles in .218 Bee often valued at $1,500 or more as of 2024, reflecting their scarcity and historical significance in small-bore varmint evolution.

Modern and Custom Builds

In the late 20th and early 21st centuries, the .218 Bee experienced a resurgence in popularity among varmint hunters and precision shooters, primarily through custom rifle builds and adaptable single-shot platforms rather than widespread factory production. Manufacturers like offered high-quality bolt-action rifles chambered for the cartridge, including the Model 38 varminter, which featured lightweight construction and exceptional accuracy for small-game pursuits. These rifles were produced by until its acquisition in 2023, after which production continued under as as of 2024. They emphasize the .218 Bee's low and flat , making them favorites for extended field sessions. Single-shot designs have remained a staple for modern .218 Bee applications, with the falling-block periodically chambered in the cartridge during its production runs from the 1970s onward. This elegant platform, with its medium-weight barrel and quarter-rib sights, provides a compact and reliable option for handloaders seeking sub-minute-of-angle groups at varmint distances, though current factory offerings in .218 Bee are limited to the . Complementing this, (now under ) continues to support the caliber through interchangeable barrels for the Contender and Encore/ProHunter actions, available in lengths from 10-inch configurations to 20-inch heavy barrels. These modular builds allow shooters to create versatile, lightweight firearms optimized for benchrest or portable hunting setups, with custom options from specialists like E. Arthur Brown Company enhancing accuracy via precision rifling. reintroduced the cartridge in its Model 1894 lever-action around 1989 as part of a limited run. Custom gunsmithing has further extended the .218 Bee's viability, often involving modifications to vintage actions or the development of improved variants like the .218 Mashburn Bee, which features a lengthened case for higher velocities with 40- to 46-grain bullets. Builders have rebarreled platforms such as the Model 43 or Savage Model 23, incorporating modern features like and fluted barrels for corrosion resistance and reduced weight. Notable examples include Martini actions chambered by craftsmen like J.K. Cloward, prized for their benchrest potential, and limited-edition replicas from , such as the Model 65 lever-action homage produced in 1989. These rifles underscore the cartridge's enduring appeal in niche circles, where maximizes its performance without the need for high-volume factory .

References

  1. https://www.shootingtimes.com/editorial/218-bee-cartridge-varmint-powerhouse/461387
  2. https://www.rifleshootermag.com/editorial/218-bee-load-data-history/84397
  3. https://sierrabullets.com/content/load-data/legacy/224-5.69mm/218-bee.pdf
  4. https://saami.org/wp-content/uploads/2018/01/206.pdf
  5. https://www.americanhunter.org/content/head-to-head-22-hornet-vs-218-bee/
  6. http://kwk.us/cases.html
  7. https://www.foundryoutdoors.com/blogs/hunting-calibers/218-bee-for-prairie-dog-hunting-best-ammo-round-load-cartridge-for-a-successful-prairie-dog-hunt
  8. https://www.gunmart.net/ammunition/rifle-ammunition/case-history
  9. https://www.americanhunter.org/content/behind-the-bullet-22-hornet/
  10. https://www.americanrifleman.org/content/the-32-20-winchester-center-fire-history-performance/
  11. https://www.handloadermagazine.com/218-bee-pet-loads
  12. https://www.xxl-reloading.com/.218-Bee
  13. https://www.hornady.com/ammunition/rifle/218-bee-45-gr-hp
  14. https://www.sportsmans.com/shooting-gear-gun-supplies/ammunition-ammo-for-hunting-shooting-sports/rifle-ammo-hunting-shooting-sports/hornady-custom-218-bee-45gr-hp-rifle-ammo-25-rounds/p/1662341
  15. https://winchester.com/Products/Ammunition/Rifle/Super-X/X218B
  16. https://chuckhawks.com/218Bee.htm
  17. https://www.midwayusa.com/product/2900687539
  18. https://www.midwayusa.com/218-bee/br?cid=9337
  19. https://www.precisionreloading.com/cart.php#!l=HN&i=8307
  20. https://static.hornady.media/presscenter/docs/1410998060-2022-Standard-Ballistics-Chart.pdf
  21. https://chuckhawks.com/recoil_table.htm
  22. http://gundata.org/cartridge/4/.218-bee
  23. https://gundigest.com/gun-collecting/classic-guns-winchester-model-65
  24. https://winchestercollector.org/forum/winchester-rifles/How%2Bmany%2B.218%2BBees%253F/
  25. https://kurtthegunsmith.com/the-winchester-model-43-really-the-poor-mans-model-70/
  26. https://www.youtube.com/watch?v=VEpl84YDEoI
  27. https://gunsmagazine.com/our-experts/savage-model-23-b/
  28. https://www.sako.global/series/legendary-sako-rifles
  29. https://lsbauctions.com/winchester-model-65-218-bee-lever-action-rifle-w-24-bbl-1941-47-cr-ok/
  30. https://www.varminter.com/the-underdog-series-part-i-the-218-bee-caliber/
  31. https://www.shootingillustrated.com/content/nighthawk-custom-acquires-cooper-firearms/
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