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UPR10

The Uintah Precision UPR10 is a true bolt action upper for your DPMS LR-308 pattern lower or semi-auto rifle. The UPR10 brings the accuracy of a bolt action rifle to the familiar AR pattern of firearms, guaranteed to shoot 1 MOA or better with factory match ammo. Build out a dedicated lower or pin the UPR10 to a rifle you already have.

Accurate, modular, familiar – Uintah Precision UPR10.

Every proprietary component of the UPR-10 upper assembly is made and assembled in The United States. This complete barreled upper assembly is ready to fire once bolted onto your AR-10 rifle. Major included parts are the hand-guard, bolt, firing pin, barrel, and handguard. The handguard is a 15” M-lok, which can be easily replaced with any free float AR-10 handguard.

$1,295.00$1,395.00

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Description

The Uintah Precision UPR10 is a true bolt action upper for your DPMS LR-308 pattern lower or semi-auto rifle. The UPR10 brings the accuracy of a bolt action rifle to the familiar AR pattern of firearms, guaranteed to shoot 1 MOA or better with factory match ammo. Build out a dedicated lower or pin the UPR10 to a rifle you already have.

Accurate, modular, familiar – Uintah Precision UPR10.

Every proprietary component of the UPR-10 upper assembly is made and assembled in The United States. This complete barreled upper assembly is ready to fire once bolted onto your AR-10 rifle. Major included parts are the hand-guard, bolt, firing pin, barrel, and handguard. The handguard is a 15” M-lok, which can be easily replaced with any free float AR-10 handguard.

  • The UPR10 is compatible with any DPMS LR-308 patterned lower. See list of known compatible lowers.
  • The UPR10 receiver is made from 7075 with a 20 MOA rail machined into it to maximize your scopes adjustment.
  • The standard barrel option is a medium profile, hand lapped match grade Shilen. They come threaded to accept your muzzle device.
  • The 3 lug bolt is machined out of 4140 American steel, with the bolt handle threaded to 5/16×24 to accept aftermarket bolt knobs if desired.
  • Completing the upper is a 15” M-LOK handguard. Handguards may be changed out by the end user if desired, with any Gen 1 DPMS pattern handguard.
  • A buffer tube is not required. The UPR10 can be used with or without a buffer and buffer spring.
  • Weight of a complete UPR10 depends on barrel length / caliber but the average is 7lbs.

● All of the materials we use in the main components are American sourced materials ● The receivers are machined from Billet 7075 T6 Aluminum and type 3 hard coat anodized ● The Picatinny Rail on the receiver is machined into a 20 MOA rail for better use of scope adjustment ● The Barrels are made for us by Shilen Rifles from 4140 CM with their #5 Contour ● They are all threaded on the muzzle end to 5/8”-24 with a thread protector on them ● Our Barrels are all coated with Duracoat Coatings ● The Bolt bodies are one solid piece of machined 4140 CM they are then heat treated to 45 RC and finished with a Black Oxide coating ● We guarantee 1 MOA or better 3 shot group at 100 yards with match grade ammo. ● We also have a satisfaction guarantee, if for any reason you are not happy with your upper you may return it within the first 30 days for a full refund of your purchase price no questions asked fired or un-fired. (All returned custom orders will incur additional fees) ● We do offer extensive customization we just don’t have the page ready for the website yet so call into the office for your custom orders. ● They will all be shipped with a 15” Mlok handguard. The complete upper receiver is ready to use the day you receive it. ● Trigger compatibility: This list of triggers are the ones we know work with no issues. If it is not listed then we haven’t tested it yet. This List will continually be updated as we get more information. If you have a trigger that is not listed and it works with your upper please let us know so we may add it to the list. Also we have found some triggers work after minor modifications (Generally just rounding the corners on the hammers is all they have needed) ● Velocity Triggers (Our trigger of choice) ● Black Rain Ordinance ● Rise Armament ● American Tactical ● POF USA ● Trigger Tech

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Once you un-package the UPR-10, installation is quick and easy! Installing the UPR-10 is just like changing any upper receiver, simply remove the two retaining pins from your lower and pin the UPR-10 right back in place. From there you’re set to put rounds through your new long-range precision rifle.

Want a more customized option for your AR-10? We are happy to offer special order, customized AR-10 bolt action uppers.

We are continually working to keep this list as up to date as possible. At this point in time, if it is not a standard AR trigger or one listed below, DO NOT USE IT. There is a possibility that if the trigger is pulled, with the bolt open, the hammer may fall before the bolt is closed completely and the lugs fully engaged. This may cause serious damage to the rifle and/or injure the shooter. Due to the many trigger variations available, it is impossible to guarantee they will all work safely with our upper. Again, we advise that if it is not listed here, DO NOT USE IT.

Compatible triggers
“Standard Mil-Spec” trigger groups
Velocity Triggers
Black Rain Ordinance
Rise Armament
American Tactical
Elftmann Tactical
TriggerTech AR Diamond
TriggerTech Primary (some modification required)
Hiperfire EDT SS / EDT HG/ GENESIS

DO NOT USE THE FOLLOWING TRIGGERS
Geissele
Timney
CMC Triggers
Cedar Enterprise Inc.
Wisconsin Trigger Company
Larue MBT
POF

Liability

We assume no liability or responsibility for any personal injury or damage incurred by abuse, misuse or alterations made to this receiver assembly or its components after it leaves our facility. Further, we assume no liability or responsibility for any injury or damage incurred through the firing of hand loaded ammunition in this receiver assembly, or firing of ammunition, regardless of the source, not made specifically for the chamber of this receiver assembly. Any modifications or alterations performed on this receiver assembly by anyone other than Uintah Precision will void any and all guarantees/warranties, written or implied.

Warranty

Uintah Precision warrants all receiver assemblies we produce to be free of defects in workmanship and/or materials for the life of the receiver, bolt, and barrel extension nut. We guarantee each receiver assembly is capable of shooting a 1 moa 3 shot group at 100 yards with quality match grade ammunition. If within the first 30 days you’re not fully satisfied with workmanship or accuracy, return the receiver assembly and we will perform a thorough inspection of the receiver assembly. We will correct any found defect to your satisfaction and if necessary, replace the receiver assembly, or refund the purchase price. Work performed on the receiver assembly for any reason(s) done by any other than Uintah Precision voids all warranties.

Caution

Be EXTREMELY CAUTIOUS when working up and firing hand loaded ammunition. Always start with a light load as shown in a reputable reloading manual. As soon as any sign of excessive pressure is encountered, (flattened primers, punctured primers, bolt is hard to open, etc.) reduce your load immediately to a safe level. If you are not experienced in handloading, make certain that you acquire the necessary expertise before proceeding. Inspect each piece of brass to ensure your brass is safe and free from any defects such as cracks in the neck, shoulder or base. Make sure that each piece of brass is trimmed to the proper length and that all case dimensions are correct for your particular barrel(s) chamber prior to loading. The specific caliber of your barrel(s) will be marked clearly on the top side of the barrel near the muzzle.