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A comment on NY Congressman Introducing Ban On 3D-Printed High Capacity Gun Magazines. Parent comment

Re:NY Congressman Introducing Ban On 3D-Printed High Capacit... by cdjk on Thursday January 17, 2013 @07:52PM (#5076354)
I think the cartridge is mostly plastic too, since it says "plastic case cartridge... steel base...." And if it were steel why would they bother painting the cartridge blue? The primer is definitely steel, however.

In any event, the barrel at least has to be metal, so this seems similar to the risk of someone bringing gunpowder into a secure area.

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Re:NY Congressman Introducing Ban On 3D-Printed High Capacit... by runarb on Thursday January 17, 2013 @08:00PM (#5076383)
"And if it were steel why would they bother painting the cartridge blue"

Do distinguished them from other rounds. When I was in the Norwegian military we had at list bullets painted:

Red: Blanks.

Blu: Plastic bullets for training. Cheap and less pollution then lead.

Yellow: Tracer rounds.

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