Longshot Stripper Breech

I was boring out my Longshot breech, holding it by the sled attachment point, when the breech snapped away from the sled and the tooth. I have no intention on removing the breech from the bit anytime soon. And I was ticked. So I ragequit. Then my math teacher offered to print one for me. so I went on to rageCAD (that's a verb). And this is what came out.

I have never transcribed a part faster in my life.

The only parameter that has not been made to spec is the length of the tube.

grrrr. will be refining the design when I calm down some.

Update: Design refined. :) but tube length still not to spec.
Design tested, and it works flawlessly. (I recommend rounding out the brass seal by sliding it open and closed with toothpaste in between.)

Update: does not work flawlessly. Tube length needs to be to spec, because the main priming force cannot be put on the glue bond between the brass and the tail end of the bolt. Length now made to spec, but problems have surfaced with the