This is our Lightweight “5lb” Blue color coded Ar15 buffer recoil spring. Use this spring to tune the action of your PCC or AR15. Designed for use with standard buffers, extended buffers, and our Roller-Delayed Buffer System. Package of 2.
**This recoil spring for the ar15 platform is designed for custom tuned setups and may not function in your rifle.
**This is the standard spring for use with our Roller-Delayed Buffer System.