MPN: UDR-15-3G-U1-BLK / UDR-15-3G-U2-BLK


  • Newly designed skeletonizing and scalloped Mil-Spec Picatinny Rail
  • Super light-weight design
  • Scalloped top Mil-Spec picatinny rail
  • Made in the U.S.A


  • Material: 7075 Billet Aluminum
  • Finish: Type III Class 2 Hard Coat Anodized
  • Weight:
    • Style 1: 6.63 oz.
    • Style 2: 7.09 oz.


  • AR-15


The F-1 Firearms UDR 15 Skeletonized Universal Upper Receiver offers the perfect combination of quality, lightweight construction, and aesthetics. As a universal receiver, the F-1 Upper is compatible with any Mil-Spec lower.

It's precision-machined from 7075-T6 aircraft-quality aluminum, giving it exceptional strength and durability. It also has a hard coat anodized finish, providing excellent resistance to wear and corrosion.

Its skeletonized design removes excess weight and material while giving it a unique look. This F-1 upper receiver also features a scalloped Picatinny rail for even greater weight reduction.

Your AR-15 will look and feel amazing when you add the F-1 Firearms UDR 15 Skeletonized Universal Upper Receiver.

About F-1 Firearms

F-1 Firearms is a leading firearm manufacturer based in Texas. They have in-house machining capabilities, allowing them to control critical tolerances for every component across all their platforms. As a result, their products offer the ultimate in performance, accuracy, and dependability. When you purchase an F-1 Firearms item, you'll get a product with a lightweight build and high-strength properties that's long-lasting and easy to use.

Buy the F-1 Firearms UDR 15 Skeletonized Universal Upper Receiver Online Today

Wing Tactical is a leading supplier of AR-15 parts and accessories. Our experienced team of shooters carefully selects all our products, and you can buy from us with confidence because we only stock items we would trust for ourselves.

Purchase your F-1 Upper online today and receive it promptly thanks to our next-day shipping option. If you have any questions, connect with us online.

Have a question?

Ask an Expert

Frequently Bought Together

  • This Item: F-1 Firearms UDR-15 3G Skeletonized Universal Upper Receiver
    Choose Options
    MSRP: $249.99
    (You save $18.75 )

Total Price:

Add to Cart