17 HMR AR-15 Upper Features: 18″ Barrel, 1:9 Twist Rate, 1/2-28RH Threading, A2 Flash Hider Included, Blowback Operating System, Black Color (Optional Cerakote Upgrades Below), Two 10-round magazines, Parts Kit for Lower Conversion Included, Weight of upper is 4.5 pounds
Specifications
| UPC/EAN | 819511021295 |
|---|---|
| Manufacturer Part Number | UST17 |
| Brand | Alexander Arms |
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