80% MILLING JIG FOR AR-15/9MM - Thunder Tactical
YOUR TOP RESOURCE FOR 80% LOWER JIGS AND 80 PERCENT LOWERS. 5D Tactical supplies essential equipment for building your own AR-15, AR-9 or AR-308/AR-10 firearms, including upper receivers and 80 percent lower receivers, 80% lower jigs, tools, and jig replacement parts.