Trim to uniform length and load in that case, RCBS seater works on the case mouth as the datum, if they're only 5 - 7 thou short then pressure shouldn't be an issue unless you're at max load.
Trim to uniform length and load in that case, RCBS seater works on the case mouth as the datum, if they're only 5 - 7 thou short then pressure shouldn't be an issue unless you're at max load.
Thanks for looking