Mechanical engineering student James Patrick is bound to turn some heads with his PM522 Washbear, a 3D-printed pepperbox revolver capable of firing up to 8 bullets between reloads. Except for an ...
Mechanical engineering student James Patrick is bound to turn some heads with his PM522 Washbear, a 3D-printed pepperbox revolver capable of firing up to 8 bullets between reloads. Except for an ...
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