Stag 15 Tactical 7.5" Uppers are chambered in 5.56 NATO and built around a 7.5" 1/7 twist barrel. Stag 7.25" M-LOK SL Gen 2 Handguard and 7075 T6 Aluminum Receivers. These uppers have a carbine-length gas system that is combined with a low-profile gas block, which provides reliability under any condition. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights, optics and accessories the shooter may require. 

* To prevent any confusion, the purchase of any Stag Arms Complete Upper does NOT include charging handle or BCG.

**Note: Complete uppers with barrels under 16" in length are only for use on AR-15 pistol lowers, legal Short-Barreled Rifles (SBR), or must have a muzzle device permanently attached to bring the length to at least 16.