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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder bump headspace
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<blockquote data-quote="jimbires" data-source="post: 2303798" data-attributes="member: 11011"><p>if you are using once fired brass this is your problem , it's not fully expanded . take 3 or 4 pieces of brass and fire them . then neck size only , reload , and fire them again . do this until the brass gets tight to chamber , it usually takes 3 or 4 reload cycles . when you get the brass fully expanded , now you can set up your die to bump the shoulder . use good case lube , and have the die adjusted to make firm contact , or cam over with the competition shellholder . start with the +.010 shellholder size a piece of brass and measure . if the length stayed the same , or got longer go to the +.008 . measure the brass , if it stayed the same or got longer go to the +.006 . keep doing this until you get the brass .002 shorter . it is normal for the case length to get longer during the first few shellholder steps . as mentioned above , if you over size the brass it's to short now , until it's fired again . grab another one of the fully expanded ones and work with it .</p></blockquote><p></p>
[QUOTE="jimbires, post: 2303798, member: 11011"] if you are using once fired brass this is your problem , it's not fully expanded . take 3 or 4 pieces of brass and fire them . then neck size only , reload , and fire them again . do this until the brass gets tight to chamber , it usually takes 3 or 4 reload cycles . when you get the brass fully expanded , now you can set up your die to bump the shoulder . use good case lube , and have the die adjusted to make firm contact , or cam over with the competition shellholder . start with the +.010 shellholder size a piece of brass and measure . if the length stayed the same , or got longer go to the +.008 . measure the brass , if it stayed the same or got longer go to the +.006 . keep doing this until you get the brass .002 shorter . it is normal for the case length to get longer during the first few shellholder steps . as mentioned above , if you over size the brass it's to short now , until it's fired again . grab another one of the fully expanded ones and work with it . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder bump headspace
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