DealSPECIFICATIONSBarrel CoatingMeloniteBarrel ContourHBARBarrel Length16Barrel LiningMeloniteBarrel Material41V50 Chrome Moly Vanadium SteelBrandRadical FirearmsCaliber Gauge.300 BLKGas System LengthPistolGas System TypeDirect ImpingementHandguard15 Radical Firearms/Primary Arms Exclusive M-LOK Rail Muzzle DeviceA2 Flash Hider StockM4 Carbine Stock Thread Pattern5/8 X 24 Twist Rate1:8 from Primary Arms (Product PA16300HBAR) |