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[–] • 3 pts

So…no one is worried about firing a round in a chamber built of NOT METAL?

What am I missing here…

[–] • 3 pts

22lr

[–] • 1 pt

Well ok, sure that’s less pressure than a lot of rounds.. but still seems like a hazard nonetheless. Did someone do the math on this, or did they just assume that the chamber won’t blow up?

[–] • 1 pt

There are too many variables in 3d printing to mathematically prove anything

[–] • 1 pt

Rifled barrel liners bro. You take a long piece of rifled barrel and slice it down into 6 parts. You can go straight plastic but that shit breaks really quickly.

[–] • 1 pt

we printed a silencer for a carbine and it works better than a store bought one.

[–] • 0 pt

Interesting, but also not relevant. The suppressor is not withstanding all the initial gas pressure that the chamber does.

The suppressor’s job is to handle a sound shockwave that happens after the initial combustion and is not an integral part of the forearm either working properly or blowing up in your hand, in other words.