DealSPECIFICATIONSBarrel CoatingParkerizedBarrel ContourM4Barrel Length16Barrel Material41V50 Chrome Moly Vanadium SteelBrandBear Creek ArsenalCaliber Gauge5.56 NATOFeed RampsM4Gas Seat Diameter.750Gas System LengthCarbineManufacturer.Bear Creek ArsenalPlatformAR-15Thread Pattern1/2 X 28 Twist Rate1:9 from Primary Arms (Product B556CM41619P) |