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Forums10
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Joined: Mar 2012
Posts: 234 Likes: 3
Sidelock
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Sidelock
Joined: Mar 2012
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Dennis
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Joined: May 2010
Posts: 1,254 Likes: 69
Sidelock
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OP
Sidelock
Joined: May 2010
Posts: 1,254 Likes: 69 |
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Joined: Jul 2012
Posts: 4,445 Likes: 201
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,445 Likes: 201 |
I quickly learned to set my FL sizing dies to headspace on the shoulder, instead of the rim( i.e. to just "kiss" the shoulder), to guard against head separations. This means that as long as the cartridge will chamber, headspace isn't much of a concern. The chambers for rimmed/belted cartridges have often been long in the body, creating excess stretching from FL sizing/firing, which leads to case loss. Out of habit, I size rimless cases the same way. This is only a suggestion. Mike
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Joined: May 2010
Posts: 1,254 Likes: 69
Sidelock
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OP
Sidelock
Joined: May 2010
Posts: 1,254 Likes: 69 |
I quickly learned to set my FL sizing dies to headspace on the shoulder, instead of the rim( i.e. to just "kiss" the shoulder), to guard against head separations. This means that as long as the cartridge will chamber, headspace isn't much of a concern. The chambers for rimmed/belted cartridges have often been long in the body, creating excess stretching from FL sizing/firing, which leads to case loss. Out of habit, I size rimless cases the same way. This is only a suggestion. Mike I chambered the rifle using 7x57 Mauser reamers and headspace gauges and cut the rim in a separate operation to clear the max rim thickness. My reloading dies are also std 7x57 Mauser dies.
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Joined: Jul 2012
Posts: 4,445 Likes: 201
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,445 Likes: 201 |
LRF, I wasn't implying you did anything wrong, everything is manufactured with tolerances( there is about .006" between 06 length "go" and "no go" gauges), and following some die manufacturers instructions often results in shorter than the chamber cartridge cases. Mike
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Joined: May 2010
Posts: 1,254 Likes: 69
Sidelock
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Sidelock
Joined: May 2010
Posts: 1,254 Likes: 69 |
I didn't take it that way at all. I actual would tell people Mike has a valid idea and for all intent and purposes we are saying the same thing.
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Joined: Jul 2012
Posts: 4,445 Likes: 201
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,445 Likes: 201 |
LRF, I noted, more than once, where you agreed with something I recommended. Thanks. Mike
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