Dark mode is

Polymer80 RL556v3 AR15 80% Lower Receiver Kit - Gray

80% Lower

Out of stock

State Restrictions:
New Jersey - Will not ship due to state restrictions!
Washington State - No in-store purchase. Shipping available only!


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-GRY
Product Type 80% Lower
Manufacturer Polymer80
Option AR-15
Google Customer Reviews Google Customer Reviews