The AR-STONER AR-15 Side Charging Pistol Upper Receiver Assembly Gen 2 features a 7.5" barrel with 7" M-Lok handguard. The 7.5" barrel is a M4 contour, made of 4150 Chrome Vanadium with a matte finish. It also features a 1:7 twist rate, and a pistol length gas system. The upper includes a 7" M-LOK rail, a bolt carrier group, a flash hider, and a gen 2 side charging handle. The M-Lok Handguard slots allow mounting of popular M-Lok compatible accessories directly to precision cutouts and features a sleek design that does not sacrifice strength or ergonomics. Finish building the gun of your dreams at a price that will not break the bank with the AR-STONER Gen 2 Upper Receiver Assembly.
- Gen 2 Side Charging Bolt Handle
- Chambered in 5.56x45mm
- 7.5" Barrel