We are running basically the same set-up as you, Defiance Elite Action & Bartlein 5R MTU, 26", 1:7.5, chambered by Wade Studeville. I shoot 107gr. SMK's with 30gr. Varget & CCI 450 primers in my gun at .014 off the lands. .250-.300 groups at 200 yds.
My Son has the same set-up except he uses a...