Sons of Liberty Gun Works L89 V2 5.56x45mm NATO 16.5 inch Upper Receiver

Sons of Liberty Gun Works L89 V2 5.56x45mm NATO 16.5 inch Upper Receiver. This system clamps the rail onto the steel barrel nut with extreme force and precision while also driving the handguard rearward towards the upper receiver. The slightly larger ID of that extrusion gives you more real estate around the gas block even more rigidity than the M76 and takes longer to heat. Specifications for Sons of Liberty Gun Works L89 V2 5.56x45mm NATO 16.5 inch Upper Receiver: Manufacturer: Sons of Liberty Gun Works Finish: Anodized Black Color: Black Gun Rail: M-LOK Additional Features: Handguard Bolt Carrier Group Included: No Charging Handle Included: No Case Finish: Anodized Handle Color: Black Blade Finish: Anodized Handle Finish: Anodized Package Contents: Sons of Liberty Gun Works L89 V2 5.56x45mm NATO 16.5 inch Upper Receiver