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Rifles, Reloading, Optics, Equipment
Reloading
I seriously doubt this is case head separation but what do you guys think?
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<blockquote data-quote="jimbires" data-source="post: 1409409" data-attributes="member: 11011"><p>I suggest you neck size only 2 or 4 times to get the brass fully expanded , the brass will start to get tight to chamber at this point . THEN you will be able to set your full length die up to bump the shoulder back about .002 . UNTIL you get the brass fully expanded you will never get the results you're looking for . </p><p></p><p> what you're doing now is firing new brass . it's expanding lets say .010 over virgin brass , but it's also contracting , lets say .005 . now your bumping the shoulder back .002 on brass that's already .005 short . if you necked sized a couple times the brass will stay fully expanded at the .010 longer . now you can bump the shoulder .002 and get stable brass sizes . you'll only need to do this on a few pieces of brass , I usually do 5 pieces . after you get your die set on fully expanded brass , you can size all the brass . hope this makes sense to you . </p><p> an easy way to bump shoulders is by using redding competition shell holder sets .</p></blockquote><p></p>
[QUOTE="jimbires, post: 1409409, member: 11011"] I suggest you neck size only 2 or 4 times to get the brass fully expanded , the brass will start to get tight to chamber at this point . THEN you will be able to set your full length die up to bump the shoulder back about .002 . UNTIL you get the brass fully expanded you will never get the results you're looking for . what you're doing now is firing new brass . it's expanding lets say .010 over virgin brass , but it's also contracting , lets say .005 . now your bumping the shoulder back .002 on brass that's already .005 short . if you necked sized a couple times the brass will stay fully expanded at the .010 longer . now you can bump the shoulder .002 and get stable brass sizes . you'll only need to do this on a few pieces of brass , I usually do 5 pieces . after you get your die set on fully expanded brass , you can size all the brass . hope this makes sense to you . an easy way to bump shoulders is by using redding competition shell holder sets . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
I seriously doubt this is case head separation but what do you guys think?
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