Shop › FZ 450 BUSHMASTER NO HAMMER NIB FZ 450 BUSHMASTER NO HAMMER NIB $189.99 FailZero 450 Bushmaster, Bolt Carrier Group, Silver, No Hammer, Nickel Boron FZ-450-01-NH Quantity: Add To Cart Added! FailZero 450 Bushmaster, Bolt Carrier Group, Silver, No Hammer, Nickel Boron FZ-450-01-NH