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Have been contemplating a piece of art I was thinking of building.
It would be 2 sheets of glass (or similar) spaced same distance as a lower ar15 well. It would have the outline of an original Colt M16 on the inside of glass. It would be full size of a real one. Three holes drilled in proper location so that a real full auto LPK could be installed. Would this even be legal?
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It has come up once or twice before, but no one seems to have any authoritative ruling on such a piece. If it was encased in resin, people generally agreed it would be acceptable, but the appeal of such a display would be moving parts to display the firing mechanics.
All plastic components would probably pass legal muster, for they would never survive firing. I could still see the ATF or MDA soiling itself over the idea of 3D printed MG parts though...