Too Much Pressure?
No matter how much powder I put in these .243 cartridges, I always get flattened primers. I have a Remington 700 with a 26" bull barrel and I'm shooting 75 grain VMAX bullets, WLR primers and using IMR 4895 or 4350 powders. I've seated my bullets so the overall length is .015 from touching the lands. I just shot the minimum load recommended in my reloading manual today using both of the above powders and still got flattened primers. Am I missing something important here?