I reload for my 1894c with 180gn,H-110, I would like to know what is your preferred C.O.L. I trim to 1.280 & seat my bullet to 1.581 & finish with 1.580 once crimped. Reloading carbine 357 mag is new for me, I mostly reload for long range 308W shooting out to 600 & 800 Meters . How important is for this round to be perfectly C.O.L that every bullet is exactly measured to 1.580 C.O.L will C.o.L at 1.581,82,83 make any difference on accuracy.