Product Features & Specifications

Alexander Arms UST17 Upper Parts Kits 17 HMR 18" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15 Includes 2 Mags

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

Brand	Alexander Arms
Model	Upper Parts Kits
Caliber	17 HMR
Barrel Length Range	18" to 18.99"
Firearm Fit	AR-15
Gun Platform	AR-Style
Capacity	10rd
Sights	Optic Ready
Firearm Type	AR-15
Barrel Finish	Black
Muzzle	A2 Flash Hider
Twist	1:9"
Handguards	M-LOK
Receiver Material	Aluminum
Thread Pattern	1 / 2"x28
Barrel Length	18"
Max Capacity	10
Receiver Finish	Black Cerakote
Weight	4.50 lbs
Handguard Finish	Black
SKU	144880
UPC	819511021295
MPN	UST17