Following on from my previous post asking people do they neck size .22-250 or just full length size ...
I currently full length size all my .22-250 Sako brass, but would like to try neck sizing. The Nosler manual states due to the tapered body of the .22-250 case neck sizing will dramatically extend brass life time.
The question: when firing a full length sized case will there be a diferent internal case pressure from that of an already fire formed neck sized case?
Will this diference in pressure affect velocity, grouping or point of impact in any way?