A fully automatic small arms demilitarization system includes individual infeed conveyance systems loaded at a single process initiation location; multiple hydraulic press stations fed by the individual infeed conveyance systems; and the multiple hydraulic press stations configured to crush one section of each weapon per cycle, incrementally crushing an entire length of each weapon, completely distorting each weapon to preclude restoration to a useable condition. The system further including an output system configured to output demilitarized weapons onto a common outfeed conveyance system that delivers the demilitarized weapons to a single recycle bin.