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AR-Platform Tactical Rifle
16" Nitride Treated Barrel
Black Hard Coat Anodized Upper & Lower Receiver
Flip-Up Adjustable Sight
The M400 Series Enhanced rifle, is designed for use in law enforcement, military operations, the sporting field, as well as competitive shooting. The SIGM400 is a true AR platform tactical rifle with unparalleled accuracy. A 16" Nitride treated barrel provides superior corrosion resistance, and a 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability that users come to expect from Sig Sauer. This Enhanced Patrol FDE version adds a low-profile gas block with an M1913 rail and front Magpul flip-up sight. This version also features a black hard coat anodized upper and lower receiver, FDE polymer Magpul MOE forend, grip, collapsible stock and flip-up adjustable sight.