Overview Reviews Product Description FailZero Lightweight/Low Mass Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Nickel Finish, 9.2 oz Total BCG Weight FZ-LW-BCG-01-NH Product Videos Product Reviews Write a Review Write a Review × FailZero FZ LIGHTWEIGHT BOLT CARRIER GROUP Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *