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 1:7” twist and melonite finish, flash hider, enhanced charging handle, and a lightweight 15” ultralight 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” Ultralight M-Lok Handguard
- A3 Billet Upper Receiver
- Enhanced Charging Handle
Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.