The 5.7x28mm cartridge, originally developed by FN Herstal in the late 1980s, has gained popularity for its unique combination of high velocity, low recoil, and flat trajectory. This cartridge was designed for use in the FN P90 submachine gun and has since expanded into various firearms, including the Rattlesnake Tactical AR57 platform. This article explores the history, specifications, advantages, and applications of the 5.7x28mm cartridge and provides an in-depth look at the Rattlesnake Tactical AR57.
1. History of the 5.7x28mm Cartridge
- Development: The 5.7x28mm cartridge was created in response to NATO’s need for a high-velocity, lightweight round that could penetrate body armor while minimizing recoil. It was introduced to complement the P90 and Five-seven pistol.
- Adoption: The cartridge was adopted by various military and law enforcement agencies worldwide, particularly noted for its effectiveness in close-quarters combat.
2. Specifications of the 5.7x28mm Cartridge
- Dimensions:
- Overall Length: 40.0 mm (1.57 in)
- Case Length: 28.0 mm (1.10 in)
- Bullet Diameter: 5.7 mm (0.224 in)
- Weight: Standard bullet weights range from 23 grains (1.49 g) for the lightweight projectiles to 40 grains (2.59 g) for heavier options.
- Velocity and Energy:
- Standard Velocity: Approximately 2,500 fps (762 m/s) for 40-grain bullets.
- Energy: Around 400 ft-lbs at the muzzle.
3. Advantages of the 5.7x28mm Cartridge
- Low Recoil: The 5.7x28mm offers manageable recoil, allowing for rapid follow-up shots, making it ideal for both experienced and novice shooters.
- High Velocity: The high muzzle velocity results in flat trajectories, enhancing accuracy and effectiveness at longer distances.
- Penetration: The cartridge is designed to penetrate body armor, which is particularly advantageous in tactical scenarios.
- Versatility: The 5.7x28mm can be utilized in various applications, from self-defense to law enforcement and military operations.
4. The Rattlesnake Tactical AR57 Platform
- Overview: The AR57 platform is an innovative firearm that utilizes the 5.7x28mm cartridge in a modern AR-style configuration. Designed by Rattlesnake Tactical, it offers unique advantages over traditional rifles.
- Design Features:
- Upper Receiver: The AR57 features a lightweight upper receiver that is compatible with standard AR-15 lower receivers.
- Magazines: Utilizes FN P90-style magazines, allowing for high-capacity options (typically 50 rounds).
- Barrel Options: Available in various lengths to suit different shooting needs, from compact configurations to longer barrels for improved accuracy.
5. Performance of the AR57 with 5.7x28mm
- Accuracy: The combination of the AR platform and the 5.7x28mm cartridge results in exceptional accuracy. Users can expect sub-MOA performance at 100 yards with appropriate ammunition.
- Reliability: The platform is designed for reliability, feeding smoothly from the high-capacity magazines and functioning well in various conditions.
6. Applications of the AR57 Platform
- Self-Defense: The AR57 is suitable for home defense, providing a lightweight and easy-to-handle option with significant firepower.
- Law Enforcement: The high-capacity magazine and penetration capabilities make the AR57 a valuable tool for law enforcement agencies.
- Recreational Shooting: The low recoil and high accuracy make it an excellent choice for recreational shooters looking for a fun and effective firearm.
7. Ammunition Options for the 5.7x28mm Cartridge
- Factory Ammunition: A variety of manufacturers produce factory-loaded 5.7x28mm ammunition, including:
- FN Herstal: Offers a range of options, including the popular 40gr FMJ and 27gr V-Max.
- Federal Premium: Known for its Personal Defense line, offering jacketed hollow points (JHP) for self-defense purposes.
- SS192: Notable for its high penetration capabilities.
- Reloading: Reloading the 5.7x28mm allows shooters to customize their loads for specific purposes. Reloading data is available from various sources, ensuring safety and performance.
8. Common Misconceptions about the 5.7x28mm Cartridge
- Over-Penetration: A common misconception is that the 5.7x28mm cartridge over-penetrates in self-defense scenarios. In reality, the design of the bullet plays a significant role in terminal performance, and hollow point rounds can mitigate this concern.
- Limited Effectiveness: Some critics argue that the cartridge lacks stopping power. However, the high velocity and energy transfer can result in significant tissue damage, making it effective for self-defense.
9. Conclusion
The 5.7x28mm cartridge represents a unique blend of performance, versatility, and effectiveness. Its application in the Rattlesnake Tactical AR57 platform further enhances its appeal, making it a formidable choice for various shooting scenarios. Whether for self-defense, law enforcement, or recreational use, the 5.7x28mm and AR57 platform provide innovative solutions to meet modern shooting needs.
References
- FN Herstal official website
- Rattlesnake Tactical product specifications
- Ballistics data from reputable sources
- Industry publications on firearms and ammunition
