PGM is a full-service precision manufacturing corporation specializing in precision CNC machining, turning, grinding and assembly. Our volumes range from low to high with dedicated production lean cells for single piece flow to quick set up cells for families of parts or model shop programs. PGM is the largest producer of charging handles for the M16/M4/AR15 and all variants. We have manufactured over 1.5 million parts. PGM is a certified partner with many small arms OEM’s (less)