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Rifles, Reloading, Optics, Equipment
Reloading
300 rum load development
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<blockquote data-quote="greatwhitehntr" data-source="post: 1584762" data-attributes="member: 63382"><p>I would full length size bumping the shoulder back 2 thousands trim a thousand shorter than trim to length as recommended above. Use a new case from the same lot and measure the web/case head and see how much it's expanding to you're fired cases. I pepersonally hate nosler brass. I've had nothing but issues with it in a lot of Magnum cases. It is way too soft. I've actually had it show signs of pressure from factory ammo at 40 degrees in two different Magnum cases. Some of your primer flow is due to oversized firing pin hole. Depending on what action you have you could have it bushed rather easley. That picture of the brass looked a little hot. Personally I would stick with RETUMBO or the IMR8133 I would use ADG brass or Remington. GUNWERKS is also making 300 rum brass A buddy of mine gave me 20 cases then it is ood stuff. You heard it boys I said it Remington over that shiiiity nosler brass.</p><p>If you're still having issues you could take it to a gunsmith and have a chamber cast done and have it scoped and the headspace tested I would do that as the last resort.</p></blockquote><p></p>
[QUOTE="greatwhitehntr, post: 1584762, member: 63382"] I would full length size bumping the shoulder back 2 thousands trim a thousand shorter than trim to length as recommended above. Use a new case from the same lot and measure the web/case head and see how much it's expanding to you're fired cases. I pepersonally hate nosler brass. I've had nothing but issues with it in a lot of Magnum cases. It is way too soft. I've actually had it show signs of pressure from factory ammo at 40 degrees in two different Magnum cases. Some of your primer flow is due to oversized firing pin hole. Depending on what action you have you could have it bushed rather easley. That picture of the brass looked a little hot. Personally I would stick with RETUMBO or the IMR8133 I would use ADG brass or Remington. GUNWERKS is also making 300 rum brass A buddy of mine gave me 20 cases then it is ood stuff. You heard it boys I said it Remington over that shiiiity nosler brass. If you're still having issues you could take it to a gunsmith and have a chamber cast done and have it scoped and the headspace tested I would do that as the last resort. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 rum load development
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