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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ruger Amercan Predator 6.5 CM Chamber issue
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<blockquote data-quote="Idaho Trecker" data-source="post: 1335366" data-attributes="member: 67706"><p>As the title says I have a RAP in 6.5 Creedmoor that has shot lights out for a couple years for me. I hadnt paid much attention to the dimensions of the cheap hornady brass that I had been using but it started splitting on me with just 4 reloads while primers were still good. I got the itch and bought some Lapua brass and ran the first 50 pieces through this rifle with good results. The issue came when I went to size them in my Whidden FL bushing die and I started taking measurements after seeing how much larger the chamber on the rifle is over spec. Here is what I came up with</p><p></p><p>New</p><p>shoulder: .460"</p><p>Base of body: .469" </p><p></p><p>Fired</p><p>shoulder: .466"</p><p>Base of body: .474"</p><p></p><p>Sized</p><p>Shoulder: .462"</p><p>Base of body: .471"</p><p></p><p>From these measurements it appears the die is sized correctly so it is a very oversized chamber. </p><p></p><p>The sized cases are being worked excessively and are very difficult to run in the press. I guess at this point I'm going to stop resizing them as I dont want to ruin my good brass this quickly.</p><p></p><p>Has anyone else had this problem with this rifle?</p></blockquote><p></p>
[QUOTE="Idaho Trecker, post: 1335366, member: 67706"] As the title says I have a RAP in 6.5 Creedmoor that has shot lights out for a couple years for me. I hadnt paid much attention to the dimensions of the cheap hornady brass that I had been using but it started splitting on me with just 4 reloads while primers were still good. I got the itch and bought some Lapua brass and ran the first 50 pieces through this rifle with good results. The issue came when I went to size them in my Whidden FL bushing die and I started taking measurements after seeing how much larger the chamber on the rifle is over spec. Here is what I came up with New shoulder: .460" Base of body: .469" Fired shoulder: .466" Base of body: .474" Sized Shoulder: .462" Base of body: .471" From these measurements it appears the die is sized correctly so it is a very oversized chamber. The sized cases are being worked excessively and are very difficult to run in the press. I guess at this point I'm going to stop resizing them as I dont want to ruin my good brass this quickly. Has anyone else had this problem with this rifle? [/QUOTE]
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Ruger Amercan Predator 6.5 CM Chamber issue
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