Originally Posted by digital sol
More info on this? Finish looks ruff but writing this from my cell
this was something I did about a year ago maybe more...and basically what I did was machine windows in the firing can to allow for easier access of inner can orings and lower op. pressure, I installed a spacer that fit into the center of the bolt and it did the same thing as a flat face bolt did, and then got it modded to allow for a spring. So basically, it shoots amazing, and the finish looks "rough" because it was a quick sanding of the outer can to get the anno off, its very smooth now.