Looking for thoughts on these 3 tools I'm sure there's pros and cons to them all..wanting to use to help set size die up so I don't oversize the brass..read about .002 is all that's needed to bump the shoulder back on bolt guns. around .005 for auto.. going to be doing 308 ..starting with new brass hornady match and know it needs to be fired formed first, before getting the reading on the shoulder. my plan on this is fire form the brass get reading then neck size only for 2 rds and then see if I need to bump shoulder back.would like to use the hornady gage for the simplicity of it.but heard the bushings are soft alum and wear easy giving false readings. rcbs sounds like it is a little loose threading of the 2 halfs and a little more complicated the Larry wilson on the upper price scale .just wandering from you all what u use...I don't shoot comp or anything just looking for proper technic. and to not over work the brass.thanks to you all...