These L89 Upper Receiver Groups are built using SOLGW forged upper, V2 Button rifled barrels, their V2 4140 gas block, and offered in a variety of length and muzzle device options. BCH and Charging Handles are not included.
Specifications:
- L89 Rails with 7-sided MLOK
- Integral QD Cups
- Button Rifled 4150CMV Barrel
- Low Profile Gas Block
- Steel Barrel Nut