UP-15 Billet Lower Receiver

The UP-15 billet lower is a sleek no non-sense AR15 lower receiver, ready for your next build. Whether you’re looking to complete your Uintah Precision bolt action AR build or a standard AR15 build, the UP-15 includes a lot of features for a great price. Precision machined from 6061 billet aluminum, with an over-sized trigger guard, flared magwell, serrated mag barricade, threaded bolt catch pin (included) and Type III hardcoat black anodizing, the UP-15 lower is ready for the range or work.


68 in stock


Whether you are completing your Uintah Precision bolt action or a standard AR15, the UP-15 billet lower is perfect for your build.

Precision machined from 6061 billet aluminum,  UP-15 lowers feature over-sized trigger guards with weight reducing cut-outs, to accommodate shooting with gloves while keeping the weight down. The flared magwell assists with easier indexing of mags providing fast and smooth mag changes. A serrated magwell barricade provides grip and stability when shooting from barricades or other support elements. A threaded bolt catch roll pin is included and makes assembly quick and easy.

Compatible with all “mil-spec” uppers and parts, the UP-15 is a sleek no non-sense lower ready for the range or the field.

Must be shipped to an FFL. Please provide FFL contact info in the notes section during checkout. If not we will follow up with you to acquire the necessary info.
We will ship to any state, but as this is considered a firearm by the ATF, it must ship to an FFL.

-6061 Billet Aluminum

-Type III Hardcoat Anodized; Black

-Threaded bolt catch roll pin (included)

-Flared Magwell

-Serrated Magwell Barricade

-Non Proprietary, compatible with all Mil-spec and aftermarket AR parts

-Multi Caliber


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Uintah Precision has top quality Firearms and accessories at affordable prices.