Hi Ernie, what is your accuracy load? I am having trouble getting unde MOA with 4350 or even 4831sc with 140-142's. Maybe cartridge over all length is off?
PM me if you dont want to post the loads public.

Gerry

BullElk Hunter (Gerry)HHI #2933
And I heard the voice of the Lord saying, whom shall I send and who will go for us? And I said: Here am I, send me!(Is. 6:8)