PA10 18" Mid-length AR-10 Barrel .308 Win 1:10, Nitride - 7779364

Features & Specs:Barrel Length: 18"Barrel Profile: A2Gas System: Mid-lengthBarrel Finish: Gas NitrideChrome Lining: NoMuzzle Thread: 5/8x244150V Chrome Moly SteelChamber: .308 WINTwist Rate: 1:10Barrel Extension: M4Diameter at Gas Block: .750 The AR-10 platform does not enjoy a common design between manufacturers, like the AR15. As a result, there can and will be subtle differences in the parts kits of various manufacturers. Some parts, like the fire control group, are shared with the AR15 platform to preserve the options for upgrading. For best results, we recommend only using PSA PA10 parts with our uppers and lower receivers. We do not recommend using other manufacturer's parts in our products.