ROCK RIVER ARMS X-1 Operator 5.56 NATO 18" 20rd Semi-Auto AR15 Rifle | Tan

Rock River Arms X-1 Operator 5.56 NATO 18" AR-15 rifle in Tan. Features forged LAR-15 lower, forged A4 upper, 18" stainless steel fluted barrel, mid-length gas system with low-profile gas block, free-float M-Lok handguard, Hogue rubber pistol grip, 20-round magazine, case, manual and warranty information. Caliber: 223 Wylde chamber (compatible with 5.56 NATO and .223 Remington). Weight: 7.7 lb. Overall length: 36". Barrel material: stainless steel; Receiver material: 7075-T6 forged aluminum; Barrel finish: bead-blasted, cryo treated; Receiver finish: black; Stock finish: tan. Twist rate: 1:8"; Muzzle device: hunter muzzle brake; Stock type: Operator CAR; Trigger: 2-stage.