Cart “5.56 Extension Tube” has been added to your cart. Continue shopping Remove item Product Price Quantity Subtotal Remove LMT 5.56 USER LEVEL MAINTENANCE KIT $77.50 Increase quantity LMT 5.56 USER LEVEL MAINTENANCE KIT quantity Decrease quantity $77.50 Remove 5.56 Extension Tube $55.10 Increase quantity 5.56 Extension Tube quantity Decrease quantity $55.10 Coupon: Apply Update cart Subtotal $132.60 Shipment Shipping costs are calculated during checkout. Total $132.60 Proceed to checkout