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
  - Other Brands
    
    Shop from a wide selection of high-performance parts and accessories from other industry leaders.
    SHOP NOW
- In Stock Products
- Builder Set Blowout
Discover
Find a Dealer
- Dealer Locator
- Become a Dealer
Military/LEO
Account
Compare ()

SKU: APAR700725M53

M4E1 Threaded Complete Upper, 20" 6.5 Grendel SS Barrel,R-ONE 15" M-LOK HG - Anodized

$765.00