Colt Ar6721 Action Spring for Colt M16

The Colt AR6721 ACTION SPRING is a precision rifle parts component designed for reliable operation within Colt M16 platforms, offering dependable action performance when maintaining or upgrading rifle receivers parts. Crafted for compatibility with Colt and M16 family configurations, this action spring delivers smooth cycling and consistent trigger feel, contributing to enhanced reliability during field use, target practice, or duty scenarios. The AR6721 is engineered to integrate seamlessly with standard Colt receivers, supporting straightforward installation and durable performance under varied conditions. By selecting this action spring, shooters can support optimal bolt velocity and consistent chamber sealing, which helps improve accuracy and overall rifle longevity. Whether you are restoring a classic Colt M16 or outfitting a modern build, this part complements existing components to preserve the rifles intended timing and cycling dynamics. Trust Colts precision manufacturing to deliver a component that aligns with the rigors of regular handling, rigorous cleaning, and intermittent maintenance, ensuring dependable operation when minutes matter most.