Alexander Arms 18" Standard Upper .17 HMR 1:10, Black - UST17
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Alexander Arms
Overview
The Alexander Arms 18" Standard Upper in .17 HMR is a complete upper receiver designed specifically for the AR-15 platform. With an 18-inch barrel and a 1:10 twist rate, this upper optimizes stability and accuracy for the .17 HMR caliber, making it suitable for precision shooting and varmint hunting. This upper is commonly found in builds focused on the .17 HMR caliber, offering builders a reliable option for specialized performance.
Specifications
September 2026 on GunPartPicker
Alexander Arms 18" Standard Upper .17 HMR 1:10, Black - UST17 ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #486 of the 1,705 upper receivers builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $815.99 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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