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16" Chrome-Lined & Phospate-Coated Barrel
Direct Impingement Gas Operating System
Rotating Locking Bolt
A2 Flash Suppressor
The Sig M400 is a true AR platform tactical rifle designed for use in law-enforcement, military operations, or the sporting field. The M400 provides unparalleled accuracy, with a 16" chrome-lined and phosphate coated barrel that provides maximum durability and corrosion resistance. The rifle runs on a direct impingement gas-operating system with rotating locking bolt. Every M400 comes with an A2 Type flash suppressor. A 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability. This California compliant model comes with a 10-round magazine.