like it says i have a lrpv in 223 and shoot 75gr amax's @ 1.941 ogive for .01 off the lands the new barrel has a shorter chamber same bullet measured 1.873 ogive new barrel shoot good but i was wondering if its possible to ream the chamber down on the mcgowen so that i can seat the bullets out the same . also want to shoot some 80gr. amax thru it .