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PUPolymer 80 USA

Polymer80 RL556v3 80% AR-15 Lower Receiver with Jig Kit

SKUP80US-7465
$121.25 $103.06
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About this product

The RL556v3 is the reinforced polymer AR-15 80% lower with a solid core, flared magwell and a beefed-up buffer tube housing. This kit includes the polymer jig, trigger-hole drill guide, drill bits and end mill, so the fire-control pocket can be finished with a hand drill or a drill press.

What you get

  • RL556v3 80% AR-15 lower receiver (mil-spec dimensions)
  • Polymer jig and trigger-hole drill guide
  • Drill bits and end mill

Compatibility

Mil-spec AR-15 uppers, lower parts kits, buffer tubes and magazines. Threadless pistol grip design specific to Polymer80 lowers.

Sold as an unfinished frame or receiver. Check your state and local law before ordering.

Specs at a glance

Polymer80 RL556v3 80% AR-15… SPECS AT A GLANCE New, unfinished 8… CONDITION Polymer80 BRAND Black / FDE / Gra… COLOR OPTIONS
Editorial diagram — measurements verified during testing.

Specifications

Color optionsBlack / FDE / Gray / OD Green
ConditionNew, unfinished 80% receiver
BrandPolymer80

What's in the box

  • Polymer80 RL556v3 80% AR-15 Lower Receiver with Jig Kit
Sources & methodology. Editorial review and rating by Polymer 80 USA Build Desk based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$121.25 $103.06