Apogee Rifleworks is all about precision, and that extends to your digital experience. Even our cookies aim for perfection. Our site uses cookies to ensure you get the best experience, just like our custom rifle builds ensure the best shot. Hit 'Accept' to enlist our cookies for a custom-fit digital armory.
Current lead time for custom uppers is 4 weeks
.png)
Upper Receivers
Upper receivers are the cornerstone of the AR-15. They bring nearly all of the other parts together. Their fit, finish, and function are the reasons why they are one of the most popular AR-15 parts to select for your custom build. Choose from our top-tier upper receiver selections for your next Apogee build. Don't see the upper receiver you want for your custom upper? Request it using our Request A Part form.
If you choose to have Apogee Rifleworks build your custom upper and the upper is not a complete upper, we'll provide a forward assist and ejection port cover for you.
Vltor MUR - Modular Upper Receiver
The MUR is a rigid Mil-Spec flat-top upper made to fit all AR15/M16 M4 rifles and carbines.
$219.95
Centurion Arms CM4 5.56 Forged AR-15 Upper Receiver
The Centurion Arms CM4 Forged AR-15 Upper Receiver is designed to be compatible with any Mil-Spec Lower.
$109.25