Product Price Quantity Total SONS OF LIBERTY GUN WORKS M4 89 .300 BLACKOUT 16" BARREL 30-ROUNDS $1,539.00 SONS OF LIBERTY GUN WORKS M4 89 .300 BLACKOUT 16" BARREL 30-ROUNDS quantity Quantity: $1,539.00 Back To Shop Update cart Coupon Discount Cart totals Subtotal $1,539.00 Total $1,539.00 Proceed to checkout