The Firing Line Forums - View Single Post - The first open-source 3D-printed gun

hardworker · December 4, 2012, 07:34 PM

I can't see how they'd ever get past using metal springs.

December 4, 2012, 07:34 PM	#2
hardworker Senior Member Join Date: August 4, 2010 Posts: 820	I can't see how they'd ever get past using metal springs.