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The PAPOP (PolyArme POlyProjectiles, "multi-projectile multi-weapon") was a French project to construct a computerized infantry weapon for the FÉLIN system, capable of hitting hidden or protected targets. It would have combined a 35 mm grenade launcher with a 5.56×45mm NATO assault rifle, both in a bullpup configuration, complete with targeting aids and an unorthodox sight.

Key Information

History

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Development of the PAPOP began in July 1995. The project aimed to provide a replacement for the FAMAS then in service with the French Army by the year 2010.[1] It was envisioned as a versatile weapon capable of engaging enemy infantry, even protected, with a range of up to 600 metres.[4]

An industrial partnership was set up to answer the request, GIAT being the main contractor. The subsystems were designed by FN Herstal (for the assault rifle), Sfim ODS (targeting system), Euroimpact and Lacroix [fr] (grenades).[3]

Phase 1

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A first prototype was proposed with 3 grenades in an internal tubular magazine. The prototype was deemed too heavy (8 kg) and bulky to be acceptable, which led to the design of a second prototype.[4]

Phase 2

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The second prototype aimed at correcting the issues of the first one, reducing the weight to 6 kg and making the whole system more compact. A particular emphasis was put on usability in urban warfare.

The PAPOP-2 carries 25 5.56 mm cartridges and only two grenades, though a platoon-level configuration allows carrying 5 grenades, at the expense of the weight which then rises to 10 kg.[4]

  • PAPOP 1
    PAPOP 1
  • PAPOP 2. The silhouette of the first prototype is shown for comparison
    PAPOP 2. The silhouette of the first prototype is shown for comparison

Systems

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1. Assault rifle (5.56 mm)
2. Grenade launcher
3. Orientable screen
4. Camera
5. Laser designator and telemeter
6. Batteries and computer
7. Weapon selector

Sub-calibre 5.56mm rifle

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The rifle fires sub-calibre ammunition with a 5.56 NATO round, which has a muzzle velocity of 1600 metres per second, along with the capability of shooting up to range of 600m. The new ammunition offers an enhanced range, and increases the penetrability enough to defeat individual armour of the PASGT type even at great distance.[4]

Grenade launcher

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The second tube is a semi-automatic 35 mm grenade launcher with programmable airburst shells. A large selector switches from rifle to grenade.

Three grenades are carried in a tubular magazine. They can be programmed to explode near the target, with two selectable yields; pre-cut fragments can be projected either towards the front, the side or the rear of the projectile, depending on how the charge is activated, which are lethal in a 5-metre radius.[3] The 35 mm calibre was selected as to offer capabilities to penetrate flak vests.[4]

Electronic systems

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A camera is fitted in the nose of the weapon, under the rifle muzzle. Batteries and the on-board computer are located in the stock. A rotating LCD screen on the top of the weapon displays information, allowing aiming the PAPOP from behind cover and around corners.[3][4]

The targeting system includes night vision, a laser telemeter, and an IFF[5] and a targeting computer which also programmes the grenades prior to launch.

The FÉLIN concept requires that data from the weapon could be shared with the other electronic component of the soldier, and transmitted across the battlefield to command posts or information centres. The PAPOP is thus a component of a larger integrated system, usable for reconnaissance or target designation.[5]

See also

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

PAPOP

View on Grokipedia
from Grokipedia
The PAPOP (PolyArme POlyProjectiles, meaning "multi-projectile multi-weapon") was a French experimental infantry weapon system developed in the mid-1990s by GIAT Industries (now Nexter), designed as a computerized multi-caliber platform for the FÉLIN soldier modernization program. It integrated a 5.56×45mm NATO assault rifle with a 35mm programmable grenade launcher, enabling both standard direct-fire rifle capabilities and airburst grenade munitions for engaging hidden or protected targets up to 600 meters away. The system featured advanced electronics, including a targeting computer, laser rangefinder, night vision compatibility, and an integrated camera for enhanced situational awareness, all intended to interface with the soldier's helmet-mounted display. Development of the PAPOP began in July 1995 as part of efforts to replace the rifle by around 2010, involving collaborations with for the rifle component, Sfim ODS for the targeting system, and Euroimpact and Lacroix for grenade munitions. Two main prototypes emerged: the PAPOP-1, a heavier configuration weighing 8 kg with a length of 830 mm, carrying 30 rounds of 5.56mm ammunition and 3 grenades; and the lighter PAPOP-2 at 6 kg (standard load), with 25 rounds and 2 grenades, though it could be configured for up to 5 grenades at increased weight. The used semi-automatic operation with programmable 35mm shells capable of a 5-meter lethal radius on airburst, achieving a of approximately 1,600 m/s for the rifle. Despite these innovations, the project advanced only to the prototype stage and was ultimately cancelled without adoption by the , due to challenges in weight, complexity, and integration with the evolving system.

Development

Origins and Rationale

The PAPOP, or PolyArme POlyProjectiles, was conceived as a modular multi-projectile designed to integrate and functionalities into a single platform, enabling to employ both kinetic and explosive munitions interchangeably. This concept originated in the late as part of the French Ministry of Defence's (DGA) ICW 2010 initiative, launched in 1989 to develop a future individual combat weapon aligned with specifications for engaging protected, concealed, or mobile targets. The project was spearheaded by GIAT Industries in collaboration with the French Army's Infantry Center for Tactical Studies, employing morphological and structural analysis to evaluate thousands of design combinations and select an optimal multi-arm solution. In the post-Cold War era of the , the French military pursued infantry modernization to address evolving threats, including scenarios and the need for precision engagements at extended ranges amid reduced force structures. The PAPOP's rationale centered on enhancing soldier versatility by combining kinetic and explosive munitions in one lightweight system, thereby reducing logistical burdens and enabling rapid adaptation to diverse combat environments. This integration supported emerging networked warfare doctrines, where weapons would interface with soldier systems for improved and targeting. Early planning emphasized a configuration for compactness and balance, with specific performance goals including effective rifle fire up to 500 meters and grenade engagements reaching 600 meters, facilitated by smart munitions with programmed detonation to minimize against masked targets. These objectives were tied to the broader modernization of French equipment, positioning PAPOP as a potential cornerstone for systems like FELIN.

Phase 1 Development

The development of the PAPOP (PolyArme POlyProjectiles) system was launched in 1995 under the leadership of French defense firm GIAT Industries (now Nexter), as part of an initiative to create a versatile infantry weapon for future requirements. This phase, overseen by the French (DGA), emphasized feasibility studies and initial engineering to integrate rifle and grenade launcher capabilities while prioritizing a lightweight design suitable for the evolving FELIN soldier modernization program. Key milestones in Phase 1 included the creation of ergonomic demonstrators in a layout, which explored combining and elements to enhance firepower without excessive bulk. Technical challenges focused on developing modular attachment systems to securely integrate the rifle and launcher barrels, ensuring reliable operation and user handling, alongside early incorporation of a for basic targeting assistance. These efforts aimed to prove the concept of aligned dual-barrel firing mechanisms, allowing precise coordination between the rifle's projectiles and the launcher's grenades. The primary prototype from this phase, known as the PAPOP-1 concept, featured a tube-fed 35 mm grenade launcher with capacity for three rounds and a 5.56 mm sub-caliber , serving as a proof-of-concept for the overall and barrel alignment. Despite achieving initial integration goals, the PAPOP-1 highlighted issues with overall weight and ergonomics, prompting iterative refinements within the DGA-funded collaboration.

Phase 2 Development and Prototypes

Phase 2 of the PAPOP program, conducted in the late , emphasized refinements to enhance interoperability by standardizing on the 5.56×45mm and 35mm . This phase addressed limitations identified in earlier demonstrators, leading to the development of the PAPOP-2 prototype, which featured a 25-round box magazine for the and a grenade capacity of 2 rounds in standard configuration, expandable to 5 at increased weight. Improved modularity was a core advancement, enabling rapid barrel swaps to switch between firing modes without compromising operational tempo. The PAPOP-2 adopted a layout with an over-under barrel arrangement to optimize compactness and balance, achieving a total length of approximately 830mm and a weight of 6 kg—significant reductions from prior iterations. Engineering priorities included advanced recoil mitigation systems for sustained grenade fire, alongside research into low-recoil 35mm variants to minimize fatigue and improve accuracy in dynamic environments. Development involved collaboration between GIAT Industries (now Nexter) as the lead designer, for the rifle module, Euroimpact for grenade components, and Sfim ODS (a subsidiary) for targeting integration. These prototypes incorporated electronic targeting aids to support precise engagement of concealed targets, paving the way for potential production models within the FELIN framework.

Design and Components

Overall Configuration

The PAPOP employs a architecture, positioning , bolt, and magazines behind the trigger group to achieve a compact overall length of 830 mm while preserving effective barrel lengths for both the rifle and components. This design enhances maneuverability in confined environments, such as urban combat scenarios, without sacrificing ballistic performance. In its modular setup, the PAPOP integrates the and in an over-under configuration, with the 5.56 mm barrel situated below the 35 mm barrel, forming a cohesive dual-caliber platform. This arrangement supports versatility as a multi-role , where the components can be separated for independent operation or routine maintenance, aligning with the project's emphasis on adaptability for needs. The prioritize user handling through an enclosed and forward forend for secure grasp, complemented by an integral shoulder stock for stability during firing. The system's unloaded weight is 8 kg for the PAPOP-1 prototype and 6 kg for the PAPOP-2, with loaded weights up to 10 kg in configurations carrying additional . Dimensions include a of 830 mm, with a height of approximately 250 mm and width of 120 mm, contributing to its compact profile suitable for close-quarters engagement. Safety features incorporate integrated fire selectors that allow switching between and grenade modes, mitigating risks of unintended discharges by isolating operational modes.

5.56mm Rifle Module

The 5.56mm rifle module forms the core small-arms component of the PAPOP system, providing infantry with reliable close-to-medium range fire support in a compact layout. Chambered for the cartridge, it employs a gas-operated action to deliver consistent performance across operational environments. The module feeds from a 30-round detachable box magazine in the PAPOP-1 prototype or 25-round in the PAPOP-2, balancing ammunition capacity with the system's overall weight constraints. With a barrel length of 508 mm, the rifle achieves an effective engagement range of up to 600 meters, supported by integrated fire control systems for precision targeting under day, night, or all-weather conditions. Firing modes include semi-automatic and full-automatic selective fire, enabling versatile tactical responses from controlled shots to suppressive bursts. Key features emphasize modularity and standalone functionality, including compatibility with standard 5.56mm optics for detached use and quick unit-level reconfiguration. Maintenance follows standard gas-operated protocols to ensure high reliability in field conditions. This configuration allows the rifle module to operate independently or synergize with the grenade launcher for layered firepower.

35mm Grenade Launcher Module

The 35mm Module serves as the PAPOP's component, utilizing 35 mm s to provide suppressive and area effects beyond the capabilities of direct small-arms fire. This module employs a design for compatibility with a variety of grenade types, including high-explosive (HE), high-explosive dual-purpose (HEDP), smoke, and illumination rounds, some of which support airburst detonation and programmable fuzes for enhanced precision against concealed or protected targets. The launcher feeds ammunition via a reloadable tubular magazine with a capacity of 3 rounds in the PAPOP-1 or 2 to 5 rounds in the PAPOP-2, enabling rapid top-up during engagements without detaching from the module. It operates in semi-automatic mode, cycling rounds at a controlled rate suitable for individual use, with a of approximately 190 m/s. Effective engagement ranges extend from a minimum safe distance of 25 meters to 400-600 meters for point and airburst targets. In the PAPOP configuration, the mounts over the 5.56mm module, sharing a common receiver and aligned sighting system for seamless transition between direct and modes. This integration supports the weapon's role in the FELIN program, emphasizing while maintaining a compact footprint for the dismounted soldier.

Integrated Electronic Systems

The integrated electronic systems of the PAPOP weapon represent a key advancement in weaponry, designed to enhance accuracy and through integration with the soldier system. The targeting suite includes a mounted on the weapon for feeds to the soldier's , enabling real-time aiming even from cover. This is complemented by a measuring target distances up to 2 km, feeding data into an onboard ballistic computer that adjusts aim points for range, type, and environmental factors. The system incorporates compatibility and a targeting computer for trajectory prediction. These features interface with the broader network, including the infantryman information network for sharing target data such as readings or video feeds with squad members, supporting collaborative engagements. The is accessed via the helmet display, with controls for mode selection and target lock, powered by the wearable computer. Power for the PAPOP's electronics is supplied by the system's lithium-ion battery pack, designed for 24 hours of operation under typical loads, though intensive use may reduce this duration. A supplementary option allows field recharging.

Operational Integration and Legacy

Role in FELIN Program

The French FELIN (Fantassin à Équipements et Liaisons Intégrées) program represented a comprehensive soldier modernization effort launched in the early 2000s to equip networked squads with integrated systems for improved lethality, , and connectivity in dismounted operations. Within this framework, the PAPOP was considered as a potential primary individual weapon, merging a 5.56mm module with a 35mm to deliver enhanced firepower against concealed or protected targets, thereby augmenting squad-level combat effectiveness. The PAPOP was intended to interface with FELIN's electronic systems. Tactically, the PAPOP was planned to equip assault teams as their core armament, facilitating fire support at the level by allowing rapid switches between direct kinetic fire for close engagements and programmable munitions for area suppression or hard-target defeat up to 600 meters. Although the PAPOP was part of early FELIN considerations, it was ultimately not adopted, with the program proceeding with modified rifles as the primary weapon.

Testing and Evaluation

The PAPOP prototypes were subjected to field testing and evaluation as part of the FELIN soldier modernization program during the early , including live-fire trials conducted at French ranges to simulate urban and open terrain combat scenarios in 2002. These evaluations focused on the system's integration with electronic targeting aids and its overall performance in operational contexts. The 35mm grenade launcher module demonstrated potential improvements in targeting hidden or protected targets via programmable airburst fuzing. feedback during the evaluations praised the PAPOP's modularity, which allowed flexible switching between and grenade functions, but noted significant drawbacks in due to the initial prototype's 8 kg weight, which reduced mobility and increased fatigue. Comparative tests against the underscored the PAPOP's potential advantages in precision , though the added bulk was seen as a disadvantage for prolonged maneuvers. These factors, combined with integration difficulties, influenced the program's direction toward lighter designs in subsequent prototypes, but the PAPOP was not selected.

Cancellation and Influence

The PAPOP program was ultimately canceled due to persistent technical complexities, including the excessive weight and bulkiness of the prototypes, which rendered the system impractical for operational use despite redesign efforts. The initial PAPOP-1 variant weighed approximately 8 kg, leading to the development of the lighter PAPOP-2 at 6 kg, but these changes were insufficient to address core design challenges such as integration of the 5.56mm rifle and 35mm modules. Development, initiated in the mid-1990s, ended without entering serial production in the early as FELIN proceeded with other weapons. Prototypes from both phases were archived following termination, preserving examples of the system's advanced modular configuration. Although the PAPOP never saw field deployment, its emphasis on computerized targeting, programmable airburst grenades, and hybrid rifle-grenade functionality shares concepts with later systems, including the U.S. XM25 and the South Korean K11. Elements of integrated electronic systems have also informed ongoing research into smart weapons.
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