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Rifles, Reloading, Optics, Equipment
Reloading
Video On Bump sizing cases.
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<blockquote data-quote="Don A Parsons" data-source="post: 1842833" data-attributes="member: 97414"><p>My newer 6.5/06,,, A-Square is kind of on board with partial full-length sizing...</p><p></p><p>It seems like only 2/3rd of the neck gets sized """if""" I set the die to not touch the case walls just above the bottom web or shoulder...</p><p></p><p>The fired cases fit into the chamber with no chamber contact with the firing pin removed from bolt...</p><p></p><p>The bolt handle drops free with the shot spent cases,,, so i kept turning the sizing die down till I could feel resistance of the handle,,, the bolt handle would stop at the 3 to 9 O'Clock or half-way closed,,, i backed the sizing die out till i got free handle drop...</p><p></p><p>I checked every other case as i kept sizing to make sure they would still fit into the chamber with zero resistance...</p><p></p><p>Again,,, only issue is that 2/3's of the neck is sized... I'll feel what the neck tension is like when I seat the bullets in them,,, if i dont think that they will stay put,,, I'll track down the RCBS neck dies to do Centric run out test...</p><p></p><p>I'm running reduced loads from 2880 ft-per seconds to 2740 for the 140gr bullets,,, these 6.5 A-Square cases aren't streching at all...</p><p></p><p>Im sure I'll get 3 to 5 neck sizes for every FL bump when its needed... Will test the partial FL first...</p><p></p><p>My shooting partner won't let me shoot cartridges that feel tight going in,,, Ha...</p><p></p><p>We fear that they become flyers... </p><p></p><p>I had 1 to 1 1/2" moa groups on my last outing,,, hope i can cut that in half on my next trip to the range...</p></blockquote><p></p>
[QUOTE="Don A Parsons, post: 1842833, member: 97414"] My newer 6.5/06,,, A-Square is kind of on board with partial full-length sizing... It seems like only 2/3rd of the neck gets sized """if""" I set the die to not touch the case walls just above the bottom web or shoulder... The fired cases fit into the chamber with no chamber contact with the firing pin removed from bolt... The bolt handle drops free with the shot spent cases,,, so i kept turning the sizing die down till I could feel resistance of the handle,,, the bolt handle would stop at the 3 to 9 O'Clock or half-way closed,,, i backed the sizing die out till i got free handle drop... I checked every other case as i kept sizing to make sure they would still fit into the chamber with zero resistance... Again,,, only issue is that 2/3's of the neck is sized... I'll feel what the neck tension is like when I seat the bullets in them,,, if i dont think that they will stay put,,, I'll track down the RCBS neck dies to do Centric run out test... I'm running reduced loads from 2880 ft-per seconds to 2740 for the 140gr bullets,,, these 6.5 A-Square cases aren't streching at all... Im sure I'll get 3 to 5 neck sizes for every FL bump when its needed... Will test the partial FL first... My shooting partner won't let me shoot cartridges that feel tight going in,,, Ha... We fear that they become flyers... I had 1 to 1 1/2" moa groups on my last outing,,, hope i can cut that in half on my next trip to the range... [/QUOTE]
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