Allows for installation of standard ar15 carbine stock on .308 ARs AR-15 buffers are too long and restrict bolt movement on .308 ARs with AR-15 stocks Simple drop-in installation Modified AR-10 buffer spring is recommended for maximum reliability Reduces felt recoil Compatible with .308 ARs ranging from: Armalite, DPMS, Remington, Knight’s, LMT, Larue, POF, Mega, Fulton, And CMMG 5.5 ounces 303 stainless steel w/ a tungsten anti-bounce counterweight Get the Modified AR-10 Buffer Spring. Mfg: Heavy Buffers
