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F-1 Firearms UDR-1
F1 Firearms

F-1 Firearms UDR-15 Lefty Style 2 Skeletonized Upper Receiver

SKUSKU: UDR-15-3G-S2-LEFTY CategoryF1 Firearms Receiver Sets
$249.99
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About this product

The F-1 Firearms UDR-15 Lefty Style 2 Skeletonized Upper Receiver is designed for left-handed shooters. This universal upper receiver uses 7075-T6 aircraft-grade domestic aluminum. It features the F-1 Firearms 3G skeletonizing for reduced weight.

The upper receiver is manufactured from 7075-T6 billet aluminum. Unnecessary surfaces have been milled out to achieve the lightest reliable configuration. It includes a scalloped top MIL-SPEC Picatinny rail. The finish is black Type III Class 2 hard anodizing, and it is currently available in a matte finish.

Specifications

  • Material: 7075-T6 billet aluminum
  • Finish: Black Type III Class 2 hard anodizing
  • Rail: Scalloped MIL-SPEC Picatinny
  • Hand: Left-handed

Who it is for

This upper receiver is for left-handed shooters building or upgrading an AR-platform firearm. It suits those looking for a lightweight, skeletonized component with a matte black finish. Firearms and serialized receivers ship to an FFL dealer.

Specs at a glance

F-1 Firearms UDR-15 Lefty S… 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
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