Alexander Arms Complete Upper Assembly, Alex Ust-17 17hmr Upper

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

Receiver Finish: Black Cerakote
Caliber: 17 HMR
Sights: None, Optic Ready
Barrel Length: 18"
Twist: 1:9"
Barrel Finish: Black
Handguards: M-LOK
Handguard Finish: Black
Barrel Length Range: 18" to 18.99"

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