You can't argue with results. 71 grains of IMR-7828 with the 100 grain TTSX produced a .4" group during the load workup. I posted the picture.

Last night I lapped the bore with JB and got the copper out. I'm going to load up another batch of ammo, seating at 3.350" and working up to 74 grains Retumbo. I've read of others having excellent results with Retumbo, and Nosler bullets have always been reliably accurate in every other rifle I've shot them through (which is almost all of them). I took the gun apart last night as well, including removing the scope to check all the screws. Put everything back together carefully and we'll see. One step at a time.

Time to go load some ammo.

Mike