Aero Precision manufacturers mil-spec parts, including AR15 & AR10 uppers, lowers, rifles, handguards, barrels, scope mounts & more.

Build an AR15 that embodies precision and reliability. From upper and lower receivers, to barrels, handguards, tools and more - find everything you need for a complete assembly.

Find all the parts, general build instructions & details on Aero Precision's Milspec AR15 line of rifle parts & accessories.

Shop AR15 Complete Upper Receivers for your custom AR15 build. Mil-spec parts - American Made.

Building a custom AR15? Choose from Aero Precision's selection of Stripped & Complete Lower Receivers, made with quality you can count on.

Save up to 50% on discounted AR15 & AR10 uppers, lowers, rifles, parts, accessories & more. Grab them while supplies last!

Engineered AR-15 and M4E1 upper receivers that enhance cycling reliability and shot-to-shot consistency. Built with high-end components for shooters who demand the highest performance.

Our Pro Lineup of products are designed to be fully compatible with our standard line of products, allowing you to customize your rifle to your preferences while maintaining Aero Precision quality and …

PRO Lineup We engineered the PRO Lineup from the ground up to give you the confidence and ability to push your AR15 to the absolute limit in the most extreme conditions.

The Aero Precision AR15 Atlas R-ONE M-LOK Handguard is highly praised for its impressive quality, lightweight design, and ease of installation. Users appreciate its durability and aesthetic appeal.