Cart “Midwest Industries 556 Bolt Carrier Group C158 Carpenter Steel Black Nitride Coating MI-BCG-NIT” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × Midwest Industries 556 Bolt Carrier Group C158 Carpenter Steel Black Nitride Coating MI-BCG-NIT $157.95 Midwest Industries 556 Bolt Carrier Group C158 Carpenter Steel Black Nitride Coating MI-BCG-NIT quantity $157.95 Update cart Cart totals Subtotal $157.95 Tax $0.00 Total $157.95 Proceed to checkout