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September 3, 2026SOLGW M4-L89 URG 11.5″ 5.56 A2
$950.00
SOLGW M4-L89 URG 11.5″ 5.56 A2
3 in stock
SKU: RSR|SOLGWUM4L89556115A2
Category: AR Barrels
Sons of Liberty Gun Works is a manufacturer of quality firearms and parts, perfect for your next build, next competition, or next line of defense. Their small parts fit most mil-spec firearms. These uppers are built with L89 7-sided rails, forged uppers, and Liberty Fighting Barrels. There are multiple options of lengths and muzzle devices.
| UPC | 657628672975 |
|---|---|
| Manufacturer | SONS OF LIBERTY GUN WORKS |
| Manufacturer Part Number | U-M4L89-556-115-A2 |
| Barrel Length | 11.5" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Model | M4-L89 Upper Receiver Group |
| Product Type | Upper |


