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
Attributes:
Attributes:
- BARREL FINISH: Black
- BARREL LENGTH: 18"
- BARREL LENGTH RANGE: 18" to 18.99"
- CALIBER/GAUGE: 17 HMR
- DETAILED DESCRIPTION: ALEX UST17 UPPER ASSMBLY 17HMR 18"
- HANDGUARD FINISH: Black
- HANDGUARDS: M-LOK
- MANUFACTURER: Alexander Arms
- MANUFACTURER ITEM #: UST17
- MODEL: Upper Parts
- RECEIVER FINISH: Black Cerakote
- SERIES: Kit
- SIGHTS: None
- TWIST: 1:9"
- UPC: 819511021295
