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Message: <blockquote data-quote="highdrum" data-source="post: 3098607" data-attributes="member: 13732"><p>I've shot lots of 6mms, 6saum to 6br. I run 7.5 in everything, but 7.75 in the Saum. I do have a seekins havak 6cm that's an 8tw. 7.5 does everything well, however I am in montana with decent elevation and DA. Shot everything from 90-115 in the 7.5 and all has been well. The most important thing to check, is bore diameter. I highly recommend a 237 VS a 236 bore. The 6cm is a bit overbore and some fire cracking will start, and with a 236 bore diameter, jacket pressure is increased. Light jacket bullets under more pressure, with some fire cracking, is a combination for bullet failure, especially if you're pushing the creed to its potential of 3100+, my womans prs rifle is a 7tw, 237 bore and it's running around 2950fps, has 1300 rounds on it, and the throat doesn't look great, but have never had a jacket failure. Just something to keep in mind!</p></blockquote><p></p>