JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Shop
- AR15
  - AR15/M4E1
    
    Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface.
    Learn More
- M5/AR308
  - M5/AR308
    
    Mil-spec dimensions and coating ensure the highest quality and correct component interface for your next big-bore AR.
    Learn More
- EPC
  - EPC
    
    The EPC-9 lineup is perfect for your next 9mm or 40S&W AR build.
    Learn More
- Bolt Action
  - Solus Bolt Action
    
    The Aero Precision SOLUS works to provide hunters, competitors, and shooting enthusiasts with a custom shooting experience.
    Learn More
- Suppressors
  - Suppressors
    
    The Lahar-30 is built to be a workhorse — providing durability, performance, and flexibility in a single package.
    Learn More
- Lifestyle
  - - Apparel
    - SWAG
  - Lifestyle
    
    Because your shirt should always match your favorite firearms manufacturer
    Shop Now
- On Sale
- Other Brands
- September 2023 Builder Sets
- August 2023 Builder Sets
Discover
Support
Find a Dealer
- Dealer Locator
- Become a Dealer
Account
Compare ()

Upper Receivers

Upper Receivers

Explore

Upper Receivers

RECEIVER SETS

COMPLETE UPPERS

ASSEMBLED UPPERS

STRIPPED UPPERS

Added

Aero Precision 16" .300 Blackout Complete Uppers

M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver

Added

M4E1 Threaded 16" .300 Blackout Complete Upper Receiver w/ ATLAS S-ONE Handguard

M4E1 Threaded 16" .300 Blackout Complete Upper Receiver w/ ATLAS S-ONE Handguard

Compare Products