Shop › FZ 458 SOCOM BCG NO HAMMER NIB FZ 458 SOCOM BCG NO HAMMER NIB $189.99 FailZero 458 SOCOM Bolt Carrier Group, No Hammer, Nickel Boron Coated FZ-458-01-NH Quantity: Add To Cart Added! FailZero 458 SOCOM Bolt Carrier Group, No Hammer, Nickel Boron Coated FZ-458-01-NH