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Rifles, Reloading, Optics, Equipment
Reloading
Bumped Shoulders too much
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<blockquote data-quote="D.Camilleri" data-source="post: 1313998" data-attributes="member: 2567"><p>I have been reloading for over 40 years, so I guess I am on the downhill slide of CRS. I had my sizing die set up (so I thought) to bump my shoulder back .0015 on my 338 RUM. I prepped and resized all of my once fired remington brass that I used to break in my new barrel last year. I loaded some shells with my pet load of 99 grs of RL33 and a 300 gr Berger OTM and headed to the range. I haven't shot the rifle since I had it Ceracoated last month. It shot like crap! I went back to the shop and double checked everything I had done. First I used a case comparator and found out that my shoulders were bumped back almost .010! They now measured the same as new Nosler brass, and the reason I haven't used the Nosler brass is because they are short to start with, so fire forming is necessary. So no I have a dilema, waste components to fire form all of this brass, or just start over with other brass. I hate to have to fire form so many rounds when I am trying to conserve my barrel life. Any thoughts?</p><p></p><p>Also, I grabbed my RCBS resizing die and ran a casing through it and it was perfect with a cam over. The redding die is also camming over, but is bumping the shoulder too much. I know I could buy a shell holder set and fine tune the die, but now I think I will just stay with the RCBS die. I obviously forgot what I was doing.</p><p></p><p>Also, I have some brand new Bertram brass and I have seated some bullets and found the brass didn't hold them even after resizing. The bullet pulls partially back out when retracting the casing. I have a VLD redding micrometer seating die.</p></blockquote><p></p>
[QUOTE="D.Camilleri, post: 1313998, member: 2567"] I have been reloading for over 40 years, so I guess I am on the downhill slide of CRS. I had my sizing die set up (so I thought) to bump my shoulder back .0015 on my 338 RUM. I prepped and resized all of my once fired remington brass that I used to break in my new barrel last year. I loaded some shells with my pet load of 99 grs of RL33 and a 300 gr Berger OTM and headed to the range. I haven't shot the rifle since I had it Ceracoated last month. It shot like crap! I went back to the shop and double checked everything I had done. First I used a case comparator and found out that my shoulders were bumped back almost .010! They now measured the same as new Nosler brass, and the reason I haven't used the Nosler brass is because they are short to start with, so fire forming is necessary. So no I have a dilema, waste components to fire form all of this brass, or just start over with other brass. I hate to have to fire form so many rounds when I am trying to conserve my barrel life. Any thoughts? Also, I grabbed my RCBS resizing die and ran a casing through it and it was perfect with a cam over. The redding die is also camming over, but is bumping the shoulder too much. I know I could buy a shell holder set and fine tune the die, but now I think I will just stay with the RCBS die. I obviously forgot what I was doing. Also, I have some brand new Bertram brass and I have seated some bullets and found the brass didn't hold them even after resizing. The bullet pulls partially back out when retracting the casing. I have a VLD redding micrometer seating die. [/QUOTE]
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Bumped Shoulders too much
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