Home / Gun Care & Accessories / Sons Of Liberty Gun Works / Sons of Liberty Gun Works AR-15 L89 Complete Upper Receiver 5.56x45mm 12.5" Barrel 11.75" L89 M-LOK Rail
Sons of Liberty Gun Works AR-15 L89 Complete Upper Receiver 5.56x45mm 12.5" Barrel 11.75" L89 M-LOK Rail
Lowest Price
MSRP
$0
Savings
Add to cart
In Stock at
0 Stores
Updated
Jun 28, 2026
Compare Deals from 10 Retailers
Lowest price first
Lanbos Armory Best
● Out of Stock
OpticsPlanet Coupon
Code ARMSAGORA — 7% Off Most Items
$795.15
$855
E-Commerce Arms
● Out of Stock
$855
EuroOptic
● Out of Stock
$855
MCM Tactical
● Out of Stock
$855
MidwayUSA
● Out of Stock
$855
Premium Sporting
● Out of Stock
$855
Primary Arms
● Out of Stock
$855
Page 1 of 2
Specifications
Description
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
