Lead & Steel .300 BLK Threaded Barrel 10.5in Government Pistol Length 1/2x28 Black. 300 BLK Threaded Barrel. Established working with several of the most robust and dependable components available these AR15 Barrels from Lead & Steel offers you a product that will give years of stability. Lead & Steel has been generating superior quality products for a number of years and the Lead & Steel .300 BLK Threaded Barrel is their particular way of revealing how much they care. Here at OpticsPlanet we ensure that it is our responsibility to get the best product for your specifications and showcasing the Lead & Steel .300 BLK Threaded Barrel is something that we're pleased to offer. Specifications for Lead & Steel .300 BLK Threaded Barrel: Manufacturer: Lead & Steel Color: Black Fabric/Material: 4150 Chrome-Moly Vanadium Steel Caliber: .300 AAC Blackout Barrel Profile: Government Gas System Length: Pistol Length Threads per Inch: 5/8x24 Gun Make: AR Platform Condition: New Features of Lead & Steel .300 BLK Threaded Barrel Match Grade Package Contents: Lead & Steel .300 BLK Threaded Barrel Lead & Steel 112322: .300 BLK Threaded Barrel 10.5in Government Pistol Length 1/2x28 Black