The Phase 5 Enhanced / high performance buffer spring is designed for AR pistols and standard carbine applications.
- Extra power is provided with this buffer spring as well as durability.
- Improved cycle operation which results in more consistent performance.
- Heat treated and corrosion-resistant steel wire.
- For use with AR-15/M16 rifles or pistols chambered in .223/5.56mm.
Manufactured by Phase 5 Weapon Systems Inc. in U.S.A.