Alexander Arms .17 HMR 18” Complete Upper Assembly

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Alexander Arms .17 HMR 18” Complete Upper Assembly


All Alexander Arms® upper receiver assemblies are fully-complete, function-tested, and ready to fire.


Manufacturer: Alexander Arms

Model: U-17-ST

Calibre: .17 HMR

Barrel Specifications: 18" Stainless Steel, Button Rifled, Straight Fluted, Muzzle Threaded 1/2-28 TPI RH

Twist Rate: 1:10"

Gas System: Blowback

Muzzle Device: Six Vent A1 Flash Hider Installed

Handguard: Mid-Length G10 Fiberglass Composite, Non-Vented, Free-Floating

Weight: 4.5 lbs

Included Accessories: Required Lower Receiver Conversion Parts Kit and 1 x 5 Round Magazines

Additional Information: This unit is 100% complete and is compatible with any standard-specification lower receiver after installation of included parts kit.

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