Cart “5.56 Enhanced Extractor Spring” has been added to your cart. Continue shopping “.308 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 Enhanced Extractor Spring $3.50 Increase quantity 5.56 Enhanced Extractor Spring quantity Decrease quantity $3.50 Remove .308 Extension Tube $68.40 Increase quantity .308 Extension Tube quantity Decrease quantity $68.40 Coupon: Apply Update cart Subtotal $149.40 Shipment Shipping costs are calculated during checkout. Total $149.40 Proceed to checkout