Stag Arms STAG15000412: Stag 15 Tactical 10.5" Pistols are chambered in .223/5.56 NATO and built around a 10.5” 1/7 twist barrel, M16 Bolt Carrier Group, Stag 9” M-LOK SL Gen 2 Handguard and 7075 T6 Aluminum Receivers. These pistols have an SB Tactical SBA3 Pistol Brace and a carbine-length gas system that is combined with a low-profile gas block, which provides reliability under any condition. The free-floating Stag 9” M-LOK SL Gen 2 Handguard features a slim, lightweight profile that offers increased ergonomics, maximum airflow, and modularity while continuing to provide the utmost strength and durability. The handguard provides an uninterrupted Picatinny rail along the top, which allows room for sights, optics, and accessories the shooter may require. Every complete AR15 from Stag Arms comes with a Transferable Lifetime Warranty, an Infinite Shot Barrel Guarantee, and a magazine.