2/25/23:
- utilizing this liner type: https://www.mcmaster.com/8527K244/
3/1/23:
- confer with todd to see how we can boar out the case, (we need a 1.5-inch bore bar stock to machine 6 inches)
- maybe consider making it shorter (can be done with no consequences except for maybe a shorter burn time
- add a hole to seal the back end of the case and let any excess air out