AR-STONER AR-15 Slick Sided Billet Upper Receiver Assembly Gen 2 5.56x45mm NATO 16″ Barrel Carbine Length 15″ M-LOK Ultralight Handguard Black
Designed to meet Customer’s needs, the AR-STONER™ AR-15 Slick Sided Billet Upper Receiver Assembly provides function, style and affordability for today’s AR-15. The A3 upper attaches to virtually any standard AR-15 lower receiver and comes complete with everything you need to s