Sig Sauer M400 TREAD 5.56mm AR-Pistol with 11.5 in Barrel

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What's in the Box Sig Sauer M400 TREAD 5.56 AR-Pistol (1) 30-Round Magazine Cable Lock Owner's Manual,The M400 TREAD pistol is an optics ready, aluminum receiver rifle caliber pistol. The TREAD pistol features a 11.5” Nitride Coated barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Shockwave Blade multi position pistol brace, and is available in 5.56 NATO. Firearm Features Manufacturer: Sig Sauer Model: M400 Tread Caliber: 5.56mm NATO Operating System: Direct Impingement Barrel Length: 11.5" Twist Rate: 1:7" Overall Length: 27 in. Overall Width: 2.5 in. Height: 7.5 in. Weight: 6 lbs. Magazine Capacity: 30 Rounds Barrel Material: FNC Carbon Steel Trigger Type: Single Stage; Polished/ Hard Coat Forend Type: Alloy Grip Type: Polymer Receiver Finish: Hard Coat Anodized Customer Comments   Customer Comments