The Sig Sauer M400 Enhanced Patrol tactical rifle in 5.56mm NATO has a 16-inch chrome-lined barrel with a 1:7-inch twist for unmatched accuracy. Its versatile AR platform design allows it to be used in law enforcement, competitive shooting, and in the sporting field. The Sig Sauer M400 Enhanced Patrol is forged from 7075-T6 aluminum and features vertical grooves on the front of the magazine well to improve grip. This model also features a black hard coat anodized upper and lower receiver, a Magpul MOE handguard, grip, collapsible stock, as well as MOE front and rear flip up sights.