That Would Be Telling@Christmas_Man @Rhodesian_YuKari Magazines are particular things. For example, just a little damage to their lips and they’ll stop working reliably or at all.
See also the issues of friction and how many magazine lips a round rests again, I’ve fairly recently read although not confirmed the SCIENCE!!! that it mostly scales with contact area, and searching just now Glock double stack magazines narrow to one position on the top. What do Kriss magazines do?
And by eyeball (one of my 1911s vs. the Wikipedia picture) the Kriss Vector’s magazine has a slightly greater angle (outside barrel to magazine).
For Glocks, they don’t fit my hand and I think their angle is also a bit different than M1911s. So I’m wondering if that 3D printer is going to have to make a whole weapon or remake a significant part of a modular weapon to adopt to the different angle. The whole thing may or may not be easy to make reliable across 2-3 designs.
Note also the M1911 is designed for ball ammo and as I understand it does not casually digest “everything” like a Glock does (which is a bit of a surprise since it too was initially designed for the Austrian military … but by then the US was a big pistol market, police and military). Any (US) submachine gun developed nowadays (like post-FOPA of 1986) is likely to be for militaries that limit themselves to ball (FMJ) ammo (and that’s “OK” for standard .45 ACP).
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