That’s way cool, and exactly the kinds of research I’d want to do if I had time and money to.

But really what I’m hearing is that in the 20-26” range, velocity is basically as fast as it can be. Beyond that on either end, it drops off a bit.

And given the hugely complex discussion of powder burn rates, bullets weight/makeup, rifling, and everything else… it’s basically guess and check. As an engineer, that annoys the snot out of me. There should be a way to solve this mathematically, but perhaps there’s just too many unknowns.

All this considered, I decided to 3D print a mockup of my suppressor that allows me to artificially see various barrel lengths. I’m leaning toward the 18-20” range as a balance between ideal length for ballistics and ability to move through the woods.

I really appreciate the insights, it’s a fascinatingly complex problem.


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