FM-9 PREMIUM EXTRA HEAVY BUFFER

The FM-9 Heavy Pistol Buffer is the correct weight to ensure reliable cycling of any blow-back operated AR-15 pistol action. You’ll enjoy smoother-cycling with less felt recoil. Compatible with all 9mm upper receivers., • Compatible with all blowback 9mm upper receivers • Salt bath Nitride Melonite/QPQ finish gives lubricity and wear-resistance • Extended length • Requires no spacer • Helps prevent bolt catch breakage • Heavy 6.4 oz. (pistol) weight