The SilencerCo Piston AC57 is a high-quality replacement component designed for seamless integration with various firearms. Crafted from durable 17-4 stainless steel and heat-treated for maximum resilience, this piston ensures reliable performance under demanding conditions. It features female threading that connects securely to SilencerCo threaded barrels, making installation straightforward and ensuring a tight fit.
This piston is a vital part of the Nielson device, which facilitates semi-automatic cycling by enabling the movement necessary to unlock pistol barrels. Its design allows for compatibility with different host firearms and calibers, providing versatility across your firearm collection. For fixed barrel setups, use the dedicated Fixed Barrel Spacer to optimize performance and fit.
Measuring approximately 0.165 inches in length, with a width of about 0.114 inches and a height of roughly 0.254 inches, this piston weighs around 2 ounces. Its precision engineering guarantees smooth operation, durability, and consistent cycling. Whether you're replacing a worn component or upgrading your firearm, the SilencerCo Piston AC57 offers a reliable solution for maintaining optimal firearm function and performance.
Features:
- Material: Made from heat-treated 17-4 stainless steel for durability and corrosion resistance
- Threading: Female 1/2x36 threading compatible with SilencerCo threaded barrels
- Design: Part of the Nielson device for semi-automatic cycling and barrel unlocking
- Compatibility: Suitable for various host firearms and calibers
- Optional Accessory: Use a Fixed Barrel Spacer for fixed barrel configurations
