002

  1. Mag 300

    bump the shoulder .002???

    just set up some new Gold metal dies RCBS in 338 lapua and took one of the fired catriges from the rifle. Measured the headspace for a marking point using stoney point headspace gage that connects to the 6" starett caliper. read .322 moved the due down and down and down till it toughed the arbor...