Additional information
| UPC | 644625068115 |
|---|---|
| Manufacturer | SONS OF LIBERTY GUN WORKS |
| Manufacturer Part Number | M4L89UPPER-13.7-556XL |
| Description | Low Profile Gas Block |
| Color | Black |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Barrel Type | Button-Rifled |
| Barrel Length | 13.7" Pinned (16" OAL) |
| Accessories | Flash Hider |
| Model | L89 |
| Subcategory | Complete Upper Receivers |
| Product Type | Upper |
| Muzzle | 1/2-28 |
| Style | Assembled |
| Rate of Twist | 1-7 |
| Length | 13.75'' |
| Finish | Anodized |
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