The Foxtrot Mike Products FM-9 Heavy P.C.C.Buffer is the perfect weight to ensure reliable feeding of any blow-back operated P.C.C. 3.7 inch overall length, requires no spacer and helps prevent bolt catch breakage. Smoother function, less felt recoil, and reduced rate of fire from your AR pistol.
- Compatible with all blow-back 9mm upper receivers;
- Salt bath Nitride Melonite/QPQ finish gives lubricity and wear-resistance;
- Heavy 6.4 oz. (pistol) weight