Why Choose Uintah Precision's Complete Bolt Action AR Upper?

Introducing the UPR-10 – a Precision Bolt Upper Receiver Assembly for the DPMS Pattern AR 10 rifles. The AR 10 Bolt Action Upper is compatible with multiple different assemblies. It feeds out the same magazines and so there are NO modifications necessary. We also made sure that all of your AR 10 accessories integrate perfectly with this receiver.



  • Quick and Easy to Change

    Your upper assembly comes with everything you need to shoot your UPR-10 or UPR-15 right out of the box. Conversion is quick and easy, it drops directly onto your AR’s lower receiver and feeds out the same magazines. There are NO modifications necessary. Check out how easy it is to attach your UPR in the video above.

  • Fully Compliant and American Made

    The UPR-10 and UPR-15 is American manufactured and regulated under all 50 state gun laws allowing you to shoot your AR-10 anywhere in the U.S.A.

  • Increased Bolt Action Accuracy

    Shoot your AR-10 or AR-15 with bolt action accuracy and reliability with Uintah Precision’s bolt action AR upper Receivers. There is a thick rigid wall on the receiver which gives it the best bolt action accuracy for any AR-10. And there is an integral Picatinny rail scope base with a 20 MOA slope giving greater rigidity to the upper receiver and making it easier to set your scope for longer range.

  • Precision Machined for Durability

    The UPR-10 complete upper assembly features a hand lapped Match Grade Barrel, a Precision machined Receiver made from a 7075-T6 billet, assembled with a receiver, bolt and barrel extension nut, and machined to match grade tolerances to ensure and maintain accuracy.

  • UPR-10 is currently only available in DPMS patterns