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Joined: Jan 2008
Posts: 17,338 Likes: 3
Campfire Ranger
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Campfire Ranger
Joined: Jan 2008
Posts: 17,338 Likes: 3 |
My experience tells me that the major cause of case head separation is because loaded rounds are fired using cases that are too short! Were you having a problem with case head separation?
Screw you! I'm voting for Trump again!
Ecc 10:2 The heart of the wise inclines to the right, but that of a fool to the 24HCF.
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Joined: Apr 2010
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Campfire Outfitter
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OP
Campfire Outfitter
Joined: Apr 2010
Posts: 14,744 Likes: 4 |
Even birds know not to land downwind!
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Joined: Jan 2008
Posts: 17,338 Likes: 3
Campfire Ranger
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Campfire Ranger
Joined: Jan 2008
Posts: 17,338 Likes: 3 |
Sharpsman, I think I put you on the defensive and I didn't mean to.
I should have said I agree with you on headspace being rather important and that I do it a different way.
Please accept my apologies Sir.
Screw you! I'm voting for Trump again!
Ecc 10:2 The heart of the wise inclines to the right, but that of a fool to the 24HCF.
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Joined: Apr 2010
Posts: 14,744 Likes: 4
Campfire Outfitter
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OP
Campfire Outfitter
Joined: Apr 2010
Posts: 14,744 Likes: 4 |
No apology needed! I have skin akin to a Rhino.
Even birds know not to land downwind!
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Joined: Nov 2018
Posts: 3,752 Likes: 1
Campfire Tracker
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Campfire Tracker
Joined: Nov 2018
Posts: 3,752 Likes: 1 |
When I first started reloading my 22-250 and 300 mag I had case head separation. The cure was to simply back the die out a bit. Over working cases I was. Edk
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Joined: Apr 2004
Posts: 3,469
Campfire Tracker
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Campfire Tracker
Joined: Apr 2004
Posts: 3,469 |
Yep, that`s what I was thinking...bad wind call.
Nice shooting.
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Joined: Jan 2008
Posts: 17,338 Likes: 3
Campfire Ranger
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Campfire Ranger
Joined: Jan 2008
Posts: 17,338 Likes: 3 |
With the Whidden case gauge, you measure against Go/No Go Gauges? Or do you just go off the reamer print?
Screw you! I'm voting for Trump again!
Ecc 10:2 The heart of the wise inclines to the right, but that of a fool to the 24HCF.
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Joined: Apr 2010
Posts: 14,744 Likes: 4
Campfire Outfitter
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OP
Campfire Outfitter
Joined: Apr 2010
Posts: 14,744 Likes: 4 |
I take a reading off the fired case! THAT is the chamber dimension for that rifle or the headspace reading!. The reading will generally be at the 0 reading of the gauge or damn close to it! I adjust my resize die such that I get that same 'reading' on all of the fired cases that I resize. Generally I can get maybe three firings or so before I will have to bump the shoulder back a bit for easy bolt closure!
Even birds know not to land downwind!
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Joined: Jun 2004
Posts: 44,891 Likes: 12
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,891 Likes: 12 |
For many of my cartridges I just invert a 40 S&W case over the case mouth. The length of the whole shebang is my reference number. I size the rifle brass and check again with the "40 gauge." The difference in the lengths is the amount of shoulder bump.
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Joined: May 2003
Posts: 5,792
Campfire Tracker
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Campfire Tracker
Joined: May 2003
Posts: 5,792 |
I take a reading off the fired case! THAT is the chamber dimension for that rifle or the headspace reading!. The reading will generally be at the 0 reading of the gauge or damn close to it! I adjust my resize die such that I get that same 'reading' on all of the fired cases that I resize. Generally I can get maybe three firings or so before I will have to bump the shoulder back a bit for easy bolt closure! Sounds very similar, if not the same as the RCBS Precision Mic. John
If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land. 2 Chronicles 7:14
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Joined: Jul 2006
Posts: 2,230
Campfire Regular
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Campfire Regular
Joined: Jul 2006
Posts: 2,230 |
That is a big target.. Good shootin though. Big target or no, that is a small group for 900 yards!
“My horn is full and my pouch is stocked with ball and patch. There is a new, sharp flint in my lock and my rifle and I are ready. It is sighted true and my eyes can still aim.” Kaywoodie
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Campfire Outfitter
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OP
Campfire Outfitter
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Posts: 14,744 Likes: 4 |
Even birds know not to land downwind!
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Joined: Apr 2022
Posts: 57
Campfire Greenhorn
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Campfire Greenhorn
Joined: Apr 2022
Posts: 57 |
900 yards is a really long way out there! Ice groups.
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Joined: Apr 2010
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Campfire Outfitter
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Campfire Outfitter
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Even birds know not to land downwind!
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Joined: Oct 2016
Posts: 1,689
Campfire Regular
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Campfire Regular
Joined: Oct 2016
Posts: 1,689 |
For many of my cartridges I just invert a 40 S&W case over the case mouth. The length of the whole shebang is my reference number. I size the rifle brass and check again with the "40 gauge." The difference in the lengths is the amount of shoulder bump. I do this with some cases but use a shellholder. Shell holders have a big enouph hole that it fits 6.5 and slightly bigger calibers. Works great! For checking headspace I'll measure a new piece of brass than use .5 thou scotch tape on the head of my bolt until I get pressure closing the bolt. My new rifle I just put together headapaced 2 thou with new lapua brass.
Good bullets properly placed always work, but not everyone knows what good bullets are, or can reliably place them in the field
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Joined: Oct 2016
Posts: 1,689
Campfire Regular
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Campfire Regular
Joined: Oct 2016
Posts: 1,689 |
Nice work sharpsmen! I hope I can get mine to shoot that well! I'm leaning more toward God let your kingdom come than save the USA! I'm not sure if this mess can be saved?
Good bullets properly placed always work, but not everyone knows what good bullets are, or can reliably place them in the field
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Joined: Dec 2019
Posts: 3,066 Likes: 2
Campfire Tracker
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Campfire Tracker
Joined: Dec 2019
Posts: 3,066 Likes: 2 |
OUTSTANDING Shooting at 900. Target size means nothing when your stacking them in there like that. Group size says it all. Your explanation for target shape and size makes perfect sense. Much easier to spot when getting dialed in while trying to read wind/mirage down range
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