Right now, the plan is to see if there is a market for this. If it goes well, then I plan on making one for the beretta 1301, Mossberg 500, and Remington 870. Not sure about the M3 yet, numbers have to make sense.
Oil it. Then use the hell out of it. Scratch it all up. You won't notice the color change.
If you wanted a static art display, then you didn't need a full length mag.