Total degradation of accuracy.  Some gangstas are now holding them upside down for some reason, good news for the rest of us. Those of us who are left handed have had the shells flying by, but not so much as to twist the weapon to avoid them. The only time I could ever see it being even moderately useful is when firing two handguns at the ...

There are many ways to reproduce metallic objects, and none of them need be so technically advanced as stereolithography. Given their unique nature, low demand for the items, and low quantity output needed, I'd go visit a local high school or BOCES organization and talk with the metal shop teachers.  It could become a project for the kids to ...