Toobrokeforthis
Active Member
Iso of primers for my 300prc
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You get 0 data from a 100 ladder other then velocityI'm sure you are looking for large rifle magnum, but don't let that hold you back on the 300 PRC. I have been using Federal 210 primers and have easily found 1/2MOA accuracy in my 300 PRC. If I was actually able to find some magnum primers I would sure give them a try, but that wasn't an option for me and I found great results anyways. Here is a photo of a ladder I shot yesterday at 100 yards using large rifle primers. That is 80.0-84.5 grain of N570.
My past experiences say otherwise loading for 25-06 and 270 Win @ 100 yards. I've had quite a few of those that produce 3-4" groups at 100 yards. Even finding a bad load is still good data in my opinion. To each his ownYou get 0 data from a 100 ladder other then velocity