Polymer 80 Trigger Reset Problem
This guide details how to diagnose and fix a common Polymer 80 trigger reset issue. It involves careful disassembly, inspection of the rear rail for machining defects, and precise sanding with a Dremel tool. The process concludes with reassembly and rigorous testing, both dry-fire and live-fire, to ensure a reliable trigger reset. This instructional content is presented by an experienced DIY firearm builder.











