Bear Creek Arsenal BCA-15 | .223 Wylde Bolt Action Style Complete Rifle | 16" Parkerized M4 Barrel | 1:7 Twist | Forged Lower | Mid Length Gas System | MLOK Split Rail 1-30RD MAG Color Anodized Black Hand Guard MLOK Weight (lbs)7.30 Manufacturer Bear Creek Arsenal Magazine Capacity 30 rounds Barrel Length 16" Profile M4 Contour Twist1:7 Barrel Finish Parkerized Material 4150 Chrome Moly Vanadium Caliber .223 Wylde Flutes -NON fluted Gas System Mid Length Gas Block System 0.750" Charging Style standard AR charging handle Classification Rifle Platform AR-15 Receiver Material Billet AL.