I think perhaps he is trying to achieve consistency by sorting and grouping his ammo by the various variables in the quest of better accuracy. Case I.D., cartridge OAL, case diameter, and perhaps other things could also be sorted on. If it makes a difference, it can be the difference between winning and losing when match shooting. If I did that, it would only take away my alibi, because most any gun is more accurate than me...pardon my ignorance, but why would you need to measure the rim thickness on .22 shells?
can the thickness be adjusted ? or is merely to know how thick they are in comparison to each other?
i'm assuming it will have effect on headspace, but as i said i'm trying to wrap my head around measuring .22 shells...
i'm further assuming that serious deviations would create ballistic variables downrange?
help!
Whether it's beneficial or not may be debatable, and probably should be debated on a different forum, but I think it's a pretty cool piece of work. I'm considering something similar but for different measurements of reloaded centerfire cartridges. I hope mine turns out as well as USMCDoc's.
Tom
pardon my ignorance, but why would you need to measure the rim thickness on .22 shells?
can the thickness be adjusted ? or is merely to know how thick they are in comparison to each other?
i'm assuming it will have effect on headspace, but as i said i'm trying to wrap my head around measuring .22 shells...
i'm further assuming that serious deviations would create ballistic variables downrange?
help!