I noticed that some of the primers people were using in the 300 RUM are the Fed 210M. Which is the match primer. This primer is a Large rifle primer only. I thought the powder capacity of the RUM had to have the hotter spark of the 215. My question is this, do you guys think the CCI large rifle match primer, known as the BR-2, will work in my .300 RUM? I just want to see if the consistency is a little better than the 215 that I'm using now. Reason I ask is because I have the CCI's on hand, so thought I would give em a try first.