The Luth-AR AR-15 Standard Rifle Buffer is compatible with a rifle buffer tube and rifle recoil spring" and is for use with an A2 fixed buttstock. This buffer comes with 5 internal steel weights and weighs 5.1 oz.
Features:
.223/5.56 A2 Rifle Buffer
Provides high quality performance
Features:
.223/5.56 A2 Rifle Buffer
Provides high quality performance