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This guide details the process of building and testing a full-auto Glock using a 3D printed DD17.3 frame. It covers frame assembly with heat-resistant filament, component integration with Zaffiri Precision slides and Holosun optics, and crucial legal considerations for full-auto functionality via a Class 2 SOT. The testing phase includes semi-auto checks, controlled full-auto bursts, and a heat resistance 'burn-down' test. Instruction emphasizes adherence to NFA regulations and safe handling practices.











