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Polymer80 RL556v3 AR15 80% Lower Receiver Kit - Black

80% Lower


The RL556v3™ features Polymer80’s proprietary polymer composite, a solid core design, flared magwell, and heavier mil-spec buffer tube housing. The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers.

The kit includes:

  • 80% Polymer AR15 Lower Receiver (Mil-spec)
  • Polymer Jig
  • Trigger Hole Drill Guide
  • Drill Bits and End Mill
More Information
SKU P80-RL556v3-BLK
Product Type 80% Lower
Manufacturer Polymer80
Option AR-15

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