Achieve MAX PUMP With This Simple Trick
This guide details the construction and operation of the 'Apple Pie' pump-action AR-15, a 3D-printed firearm designed for 50-state legal compliance. It covers material selection (PLA+ vs. glass-filled nylon), caliber choices (5.56 NATO vs. .300 Blackout), and the benefits of pump-action for suppressed subsonic rounds. The video features insights from recognized designers like Corey (@3D_Arms) and Middleton Made, highlighting their expertise in additive manufacturing for firearms.













