AR-STONER AR-15 A3 Billet Upper Receiver Assembly 5.56x45mm NATO 16″ Barrel with 15″ M-Lok Handguard


The AR-STONER AR-15 A3 Billet Upper Receiver Assembly is the ultimate mix of functionality, style and value. This A3 Upper Receiver gives the firearm a sleek profile and attaches to virtually any standard AR-15 lower. Complete with a full BCG this upper provides everything you need to start shooting and features a carbine-length gas system, 16” barrel with 1:8” twist, flash hider, charging handle, and a 15” M-Lok handguard. Precision cutouts on the handguard are compatible with popular M-Lok accessories. Build an AR-15 that you will be proud to take to the range with the AR-STONER AR-15 Billet Upper Receiver Assembly.


-Complete Bolt Carrier Group
-16” M4 Contour Barrel
-Flash Hider
-Chambered in 5.56x45mm NATO
-15” M-Lok Handguard
-A3 Billet Upper Receiver