Well here's a 45 ACP made out of metal using a "slightly" more expensive 3D printer:
Why You Shouldn’t Care About The All-Metal 3D Printed Gun
Mind you, it's probably still cheaper & easier to buy one from your local WallMart.
Why You Shouldn’t Care About The All-Metal 3D Printed Gun
Mind you, it's probably still cheaper & easier to buy one from your local WallMart.