Product Features & Specifications
SOLGW M4L89UPPER13.7556XL L89 UPPER 556 13.7 V2
These L89 Upper Receiver Groups are built using our forged upper, V2 Button rifled barrels, our V2 4140 gas block, and offered in a variety of length and muzzle device options.
Our L89 rails have 7-sided MLOK, and integral QD’s for maximal available MLOK utilization.
| Brand | Sons Of Liberty Gun Works |
| Series | Upper Receiver |
| Model | L89 |
| Caliber | 5.56 NATO |
| Color | Black |
| Thread Pattern | 1 / 2"x28 |
| SKU | 169561 |
| UPC | 644625068115 |
| MPN | M4L89UPPER13.7556XL |
