I am wanting to upgrade from my rockchucker & am cosidering both the Redding T7 turret & the Forster Co-ax. I have never seen a Forster in person, so I am having some trouble seeing how you change the dies. I reload 257 Roy, 300 ultra mag, 30-06, 308, 7mm rem, 22-250, and 338 Lapua or...