The RL556v3? features Polymer80?s proprietary polymer composite, a solid core design, flared magwell, and beefier 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
Available colors:
Black, White, FDE, OD Green, Gray
Polymer80 P80-JIG-RL556v3 Jig Kit
Polymer80 LR-308 80% Lower Receiver
Polymer80 RL556V3 - RHINO 80% AR15 Lower Receiver and PF940C 80% Pistol Frame (Black Only) 


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