These Sons of Liberty Gun Works L89 Upper Receiver Groups are built using a forged upper. These uppers have V2 Button rifled barrels, V2 4140 gas block, and offered in a variety of length and muzzle device options. L89 rails have 7-sided MLOK, and integral QD’s for maximum available MLOK utilization. FeaturesButton Rifled BarrelM-LOK Rail
Wilson Combat Mil-Spec AR-15 Stripped Lower Receiver Anodized Black
$102.95 
LaRue Tactical M4 Stealth 1.0 Upper Receiver Stripped Aluminum Black
$225.99
Sons of Liberty Gun Works AR-15 L89 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.7″ Barrel 13.75″ L89 M-LOK Rail
$950.00
Additional information
| Brand | Sons Of Liberty Gun Works |
|---|---|
| Merchant | MidwayUSA |
