What's in the Box Bear Creek Arsenal BC-15 5.56 NATO Semi-Auto Rifle (1) 30-Round Magazine Cable Lock Owner's Manual The Bear Creek Arsenal BC-15 5.56 NATO Semi-Auto Rifle is an AR-15 platform rifle built with a 16-inch barrel, mid-length gas system, and MLOK split-rail handguard. Chambered in 5.56 NATO , the BC-15 offers a familiar semi-automatic setup for range use, training, and general sporting applications. This Bear Creek Arsenal rifle features a 4150 Chrome Moly Vanadium barrel with an M4 contour profile, parkerized finish, 1:7 twist rate, and 1/2x28 thread pitch. The rear charging design, forged receiver, M4 feed ramps, and included 30-round magazine give shooters a practical AR-15 rifle package right out of the box. Bear Creek Arsenal BC-15 Features Chambered in 5.56 NATO AR-15 platform rifle 16-inch 4150 Chrome Moly Vanadium barrel M4 contour barrel profile 1:7 twist rate Parkerized barrel finish 1/2x28 thread pitch Mid-length gas system 0.750 gas block system MLOK split-rail handguard Rear charging design M4 feed ramps Forged receiver E9310 bolt material Includes one 30-round magazine Firearm Specifications Manufacturer: Bear Creek Arsenal Model: BC-15 Platform: AR-15 Classification: Rifle Caliber: 5.56 NATO Action: Semi-Automatic Barrel Length: 16" Barrel Profile: M4 Contour Barrel Material: 4150 Chrome Moly Vanadium Barrel Finish: Parkerized Twist Rate: 1:7 Thread Pitch: 1/2x28 Feed Ramps: M4 Flutes: Non-Fluted Gas System: Mid-Length Gas Block System: 0.750 Handguard: MLOK Split Rail Charging Style: Rear Charging Receiver Material: Forged Bolt Material: E9310 Weight: 6.75 lbs. Magazine Capacity: 30 Rounds Magazine Included: Yes