I’m planning to work on some DIY 37mm smoke grenades. The goal is to make a DIY printable/easily acquired 37mm screening device that outperforms the M713 40mm white smoke round.

As such packing as much smoke composition as possible within the round is ideal. These rounds will be fairly heavy as the smoke composition includes a resin for waterproofing them.

So im looking for opinions and personal experience from the community on which launcher design is the strongest and can handle launching heavy projectiles? I’ve seen the Odin, Nameless, Pipe Hitter, NT79, B.A.L.L.S, etc… with most of them having DXF files for reinforcing the chamber. For designs that don’t, I can modify them to do so. But I want to gage the community and see which platform I should start with.