POLYMER80 AR15 RHINO 80% POLYMER LOWER RECEIVER KIT FLAT DARK EARTH FDE - P80-RL556V3-GRY
The Rhino RL556v3™ Gray 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