Buffer and Recoil Springs

The CMMG AR15 Carbine Receiver Extension and M4 Stock Kit has all the essentials for your next AR lower build. The M4 buttstock is a proven lightweight design that is extremely durable. Combine this kit with your choice of Lower Parts Kit to complete...

Bolt Assembly, Bravo

(10 Pack) Recoil Spring, 220, 226 40/357, 227, 250F 40/357/45

The geissele super 42 spring was designed to improve the function and reliability of your ar-15 pattern rifle.Its unique spring design uses three independent strands of wire, just like the german mg42 machine gun.This concept acts as a harmonic damper...