Having some issues with my Weatherby MV 338Lapua. I have been shooting and hand loading for 40 plus years. My rifle is pillar and glass bedded. My action is torqued properly, scope mounts are Zeiss and torqued also.
I'm getting 1-1/2 groups at 200 yds consistently but the groups will shift as...
I have a Shooting Chrony (master model)
I have been shooting over it for years.
Lately I have been getting strange readings.
I will have a group of readings that are in the expected range (2912, 2920, 2917) and then a (3652) or a (2645). Same bullet, same powder charge, same primer, same case...
I have been working with Berger 185 vld hunting bullets in my 06 AI.
RL 22 gave decent results but the loads were very compressed and needed a heavy crimp to stay put.