Aero Precision 18" Upper, Rifle Length Bbl, 15" M-LOK Atlas S-One Hg -Black
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Aero Precision
Overview
The Aero Precision 18" Upper features a complete assembly designed for the AR-15 platform, chambered in 5.56 NATO. With a rifle-length gas system and an 18-inch barrel coated in salt bath nitride, this upper promotes reliability and durability. The 1:7 twist rate allows for effective stabilization of a wide range of bullet weights, making it versatile for various shooting applications. This upper is commonly found in builds aimed at precision shooting and longer-range engagements.
Specifications
Aero Precision 18" Upper, Rifle Length Bbl, 15" M-LOK Atlas S-One Hg -Black
Available Merchants(4)
Prices checked
Stock Alert
Build history on GunPartPicker
Builders have been adding the Aero Precision 18" Upper, Rifle Length Bbl, 15" M-LOK Atlas S-One Hg -Black to their builds on GunPartPicker since May 2026. All time, it ranks #489 of the 1,714 upper receivers builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 4 retailers we track has it in stock right now. Listed prices start at $529.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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