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Low-Profile Gas Block
Magpul Flip-Up Sight on 1913 Rail
Durable Nitride-Treated Barrel
Aircraft-Grade Aluminum Lower Receiver
The SIG M400 Series Enhanced Patrol Rifle is designed for use in law enforcement, military operations, the sporting field, and competitive shooting. The M400 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. This Enhanced Patrol ODG version in .300 Blackout adds a low-profile gas block with an M1913 rail; front Magpul flip-up adjustable sight; black hard coat anodized upper and lower receiver; and ODG polymer Magpul MOE forend, grip, collapsible stock.