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F-1 Firearms UDR-1
F1 Firearms

F-1 Firearms UDR-15 3G Style 2 Universal Upper Receiver

SKUUDR-15-3G-S2-U CategoryF1 Firearms Receiver Sets
$275.00
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About this product

The F-1 Firearms UDR-15 3G Style 2 Universal Upper Receiver features new skeletonizing and a scalloped MIL-SPEC 1913 Picatinny rail. It is constructed from 7075-T6 aircraft quality domestic aluminum. The 3G skeletonizing aims to reduce weight while enhancing the receiver's appearance. Unnecessary surfaces have been milled out to achieve a lightweight yet reliable configuration. This receiver is finished with Type III Class 2 hard anodizing in black. As a serialized firearm component, this upper receiver must be shipped to a Federal Firearms License (FFL) holder.

Specifications

  • Material: 7075-T6 billet aluminum
  • Finish: Type III Class 2 hard anodizing, black
  • Rail: Scalloped MIL-SPEC 1913 Picatinny

Who it is for

This upper receiver is for individuals building or upgrading an AR-platform rifle who prioritize reduced weight and a distinct aesthetic. Its construction and design cater to those seeking a lightweight component for their firearm assembly.

Specs at a glance

F-1 Firearms UDR-15 3G Styl… SPECS AT A GLANCE 3G WEIGHT
Editorial diagram — measurements verified during testing.
Sources & methodology. Editorial review and rating by The F1 Firearms Team based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
f1 firearms f1 firearms receiver sets
From the journal

Related reading

GuideFrom the journal

F1 Firearms: Rifles, Receiver Sets, Handguards and Parts Guide
$275.00
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