Sons of Liberty Gun Works L89 V2 5.56 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Black

The L89 upper receiver groups are engineered for peak performance, featuring a robust forged upper receiver, V2 button-rifled barrels, and the precision of our V2 4140 gas block for exceptional durability and reliability. These receivers come in a range of lengths and muzzle device configurations, allowing for complete customization to suit your specific needs. The L89 rail system is designed with 7-sided M-LOK compatibility, offering optimal attachment space for accessories and ensuring maximum versatility. Additionally, the integrated QD sling mounts enhance convenience and accessibility, making the L89 Upper Receiver Group a top-tier choice for those seeking unmatched performance and versatility in their firearm setup.