Luth-AR MBA 3 carbine stock is strong, quick, simple, affordable and the newest fully adjustable stock assembly on the market. 100% Manufactured and assembled in America, the Luth-AR MBA 3 is the perfect buttstock assembly for your next 3 gun AR carbine build.The Luth AR MBA 3 has a fully adjustable cheek piece, adjustable length of pull, and is completely ambidextrous. Several options exist for sling attachment. Left and right flush cups capable of accepting QD (Quick Detach) accessories. A slot in the rear of the stock accepts a standard A2 sling swivel, as well as several locations to install a slip-through sling. The MBA 3 adapts to either a MILSPEC or commercial carbine buffer tube, and is both quick and easy to install. The MBA 3 also comes with a built in picatinny rail section on the bottom rear of the stock to attach your choice of many accessories.