Polymer80 RL556v3 80% AR-15 Lower Receiver with Jig Kit

Polymer80 RL556v3 80% AR-15 Lower Receiver with Jig Kit is a frame and jig kit from Polymer80.

Specifications

• RL556v3 80% AR-15 lower receiver (mil-spec dimensions)
• Polymer jig and trigger-hole drill guide
• Drill bits and end mill