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
Alexander Arms UST17 Upper Parts Kits 17 HMR 18″ Black
Alexander Arms UST17 Upper Parts Kits 17 HMR 18″ Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15 Includes 2 Mags
| UPC | 819511021295 |
|---|---|
| Manufacturer | Alexander Arms |
| Manufacturer Part Number | UST17 |
| Action | .17 HM2 |
| Barrel Finish | Black |
| Barrel Length | 18 |
| Caliber/Gauge | .17 HM2 |
| Length | 37.6000 |
| Rate of Twist | 1:10" |
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