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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.
| UPC | 669185245837 |
|---|---|
| Manufacturer | Sons of Liberty Gun Works |
| Manufacturer Part Number | M4L89UPPER-13.7-556 |
| Barrel Length | 13.7" Pinned (16" OAL) |
| Product Type | Upper |
| Model | L89 |
| Color | Black |
| Caliber/Gauge | .223 REM/5.56 NATO |
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