Sons of Liberty Gun Works AR-15 L89 Upper Receiver Assembly 5.56x45mm 13.9" Cold Hammer Forged Barrel 13.75" L89 M-LOK Rail
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Product Details
MSRP $1,116.25
MPN M4L89UPPER-13.9-CHF-556-XL
Description
These Sons of Liberty Gun Works L89 Upper Receiver Groups are built using a forged upper. These uppers have Cold Hammer Forged 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, and are installed over a Titanium barrel nut. FeaturesCold Hammer Forged BarrelM-LOK RailTitanium Barrel Nut