Sons of Liberty Gun Works L89 AR-15 8.5 inch .300BLK Upper Receiver Group

Overview: The Sons of Liberty Gun Works L89 Upper Receiver Group is built using a forged upper receiver, Liberty Fighting Barrels with SOLGW 4140 gas block and nitrided gas tube. The L89 rails have 7-sided MLOK slots with integral QDs at the barrel nut on the left and right side. The L89 features the Drivelock barrel nut system, anti-rotation tabs and an internal dowel pin between the upper/rail to ensure a solid lockup for attachment of accessories. Specifications: - Manufacturer: Sons of Liberty Gun Works - Caliber: .300 AAC Blackout - Barrel Length: 8.5 in - Barrel Profile: Medium - Barrel Twist Rate: 1-7 - Finish: Anodized - Color: Black - Fabric/Material: 416 Stainless Steel - Gun Make: AR Platform - Gun Model: AR-15 - Bolt Carrier Group Included: No - Charging Handle Included: No - Gas System Length: Mid Length - Handguard Length: 15.25 in Package Contents: - Sons of Liberty Gun Works L89 AR-15 8.5 inch .300BLK Upper Receiver Group Compatibility: The manufacturer indicates compatibility with AR-15 platforms.