CMMG, Inc 30A129D Mk4 RCE 4140CM Rifle .300 Blackout, 16.1" Barrel Length, 30 Rounds, Black

Features a 16.1" 4140 chrome-moly medium taper barrel and SV muzzle brake; RKM14 KeyMod handguard. Equipped with a Geissele SSA 2-stage trigger and Magpul MOE black pistol grip, MOE trigger guard and black CTR buttstock with 6-position mil-spec receiver extension. Barrel is treated with salt bath nitride finish and has a 1:7 inch twist rate. M4-type upper receiver is forged 7075-T6 aluminum. AR-15 type lower receiver. Length with stock collapsed is 34". Receiver and handguard has a flat dark earth finish. Stock, pistol grip and magazine are black. Specifications: - Barrel Length: 16.1 - Caliber: 300 Aac Blackout (7.62x35mm) - Caliber-gauge: .300 Blackout - Capacity: 30 - Twist Rate: 1:7" - Finish: Black - Barrel: 16.1" - Length With Stock Collapsed: 34" - Long Gun Web Model: Model Mk4 - Tactica: Tactical