Polymer80 Rhino RL556v3 80% Lower Receiver Kit AR-15 Polymer
- Product Family #: 1020069561
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The Polymer80 Rhino RL556v3 80% Lower Receiver Kit features Polymer80's proprietary polymer composite, a solid core design, flared magwell, and heavier mil-spec tube housing. This pistol grip area features a unique threadless design specific to Polymer80 rifle lowers.
- Polymer80 AR-15 80% Lower Receiver (Mil-Spec)
- Polymer Jig
- Trigger Hole Drill Guide
- Drill Bits
- End Mill
- Unique reinforced polymer design with solid core design
- Beefed up buffer tube ring and ribbing across the entire upper surface area
- No-thread design on pistol grip area
- Stiffened magwell, ultra-light design
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