My opinion is that you cannot expect to see your impact through a scope unless it is over about 500 yds and you are looking for dirt to kick up. If you spot one you are lucky at short range. I was taught by a guide in South Dakota when shooting prairie dogs you shoot at about 10-12 magnification...
This is the holy grail as far as I'm concerned when it comes to what to do with brass. https://www.greenhomefair.com/lyman-300-wsm-case-length-headspace-gauge/ i know this isn't the right caliber gage but it is the tool of choice. if the brass doesn't seat in one of these or sticks out past the...