Aero Precision Upper, 8" Barrel, 7" M-LOK Atlas S-One Hg -Black
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Aero Precision
Overview
The Aero Precision Upper features a complete assembly designed specifically for the AR-15 platform, equipped with an 8-inch barrel optimized for 300 Blackout caliber. With a 1:7 twist rate, this barrel effectively stabilizes a variety of bullet weights, making it versatile for both subsonic and supersonic loads. This upper receiver is commonly found in builds focused on short-barreled rifles or compact setups where maneuverability and performance in close quarters are key.
Specifications
Aero Precision Upper, 8" Barrel, 7" M-LOK Atlas S-One Hg -Black
August 2026 on GunPartPicker
Aero Precision Upper, 8" Barrel, 7" M-LOK Atlas S-One Hg -Black ranked #109 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #138 of the 1,633 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 300 Blackout and nearly all AR-15.
It was out of stock everywhere we track for all of August 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $518.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
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