FM Products .45 Caliber Bolt Carrier and Heavy Buffer

FM Products .45 Caliber Bolt Carrier and Heavy Buffer kit includes the 45 Caliber Bolt Carrier Group (BCG), a .308 Carbine Recoil Spring, and an extra heavy 8.5 oz buffer. Finish: Salt Bath Nitride on 4340 Steel. Caliber: .45 ACP. Length: 3.7 in. Weight: 8.5 oz. Condition: New. Included Accessories: 45 Caliber Bolt Carrier Group, .308 Carbine Recoil Spring, Extra Heavy 8.5 oz Buffer. Features: Salt Bath Nitride Melonite/QPQ finish provides lubricity and wear resistance. Heavy 8.5 oz weight for 45 Caliber blowback platforms. Compatible with all blow-back 45CAL upper receivers. M16 profile and MIL-SPEC compatibility. ISO 9001 and AS 9100 quality certifications.