Cart Product categoriesAR10/.308 PARTS BARRELS BRASS CATCHERS BUTT STOCKS&PARTS CALIBER CONVERSIONS COMPLETE UPPER ASSEMBLIES ELCAN OPTICS FORE ENDS & ACCESSORIES LOWER PARTS LOWER RECEIVERS MAGAZINES PISTOL GRIPS RETRO RIFLE & SERVICE RIFLE PARTS SIGHTS & SCOPE MOUNTS SLINGS & MOUNTS SURPLUS ITEMS TOOLS AND CLEANING KITS UPPER PARTS All items in stock unless otherwise noted above the product description. If an item is not in stock it cannot be added to the shopping cart. We do not do back orders. For faster service regarding questions please email email@example.com. Shipping: We automatically will ship your order the cheapest way available to us. Our standard method of shipping is UPS. If your order is very light or very heavy and small we may be able to save you some money by shipping it USPS. We will check to see which method will be the most economical for you and will credit any savings back to your card.