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Joined: Feb 2010
Posts: 612
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I am not new to reloading, but certainly not a guru. Sometimes when sizing brass like the 300wsm brass I was sizing this morning, will fit tight in my chamber, (ie) tight bolt close.
This brass is all same manufacture, all ran through same RCBS FL die, all trimmed to same length, and some the bolt will nearly fall on its own. Some will be somewhat hard bolt close and some will be hard bolt close.
This is Winchester brass, some once fired by my rifle and some once fired in a buddy's rifle. I wouldn't think if it was fired in another rifle would make any difference when FL resizing.
Any ideas ????
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Joined: Feb 2002
Posts: 32,044
Campfire 'Bwana
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Campfire 'Bwana
Joined: Feb 2002
Posts: 32,044 |
It also depends on how many times a piece of brass has been fired and especially in another rifle chamber.
A Doe walks out of the woods today and says, that is the last time I'm going to do that for Two Bucks.
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Joined: May 2015
Posts: 708
Campfire Regular
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Campfire Regular
Joined: May 2015
Posts: 708 |
Are you testing sized brass in your chamber with a bullet seated? (suggest a dummy round for this) Sometimes depending on your bullet seater the bullet will 'suck' out of the case some when the ram is lowered.
Also, some chambers are a bit bigger and the full length sizer does not size down to the web. Suggest measuring key areas of the size case against ones that fit.
You may need a small base sizer for your buddies brass.
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Joined: Jul 2001
Posts: 60,076
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,076 |
Yes, it does make a difference if brass is fired in different rifles, since unless you use a very "tight" die full-length sizing does not return fired brass to factory dimensions.
Most "affordable" dies and factory rifle chambers vary slightly in size, due to wear on the reamers used. Typically, factories start with a reamer of maximum SAAMI dimensions, and use it until it wears to minimum SAAMI dimensions. Thus slightly different sizes FL dies and rifle chambers.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Feb 2010
Posts: 612
Campfire Regular
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Campfire Regular
Joined: Feb 2010
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Yes these were loaded rounds. half were loaded with sierra pro hunters and the other half nosler partitions. All loaded to factory OAL. No rifling marks on bullets.
Will shooting these in my rifle and FL resizing again make any difference ?
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Joined: Apr 2007
Posts: 3,362
Campfire Tracker
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Campfire Tracker
Joined: Apr 2007
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Keep your lots of brass and rifles they're used in separate. Don't use brass from one rifle in another, at all, the exception being new, once-fired brass (alias range or pick up brass) you resize to fit one rifle.
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Joined: May 2015
Posts: 708
Campfire Regular
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Campfire Regular
Joined: May 2015
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I load for two 30-06 hunting rifles, I treat them as separate calibers, performance is the same but 'personalitie's are much different.
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Joined: Nov 2011
Posts: 30,949
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2011
Posts: 30,949 |
Sounds like the chamber on your buddies rifle is looser then yours. You many need to screw your sizing down a bit more and cam it over extra hard when sizing brass fired in his rifle to make it chamber reasonably in yours.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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Joined: Feb 2009
Posts: 11,914
Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2009
Posts: 11,914 |
If they fit and you shoot them in your rifle they will be the same as the ones you shot in your rifle.
I have had to adjust the dies a little more to get them to fit in the chamber of the rifle they were fired in.
That brass is tough stuff.
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Joined: Apr 2002
Posts: 670
Campfire Regular
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Campfire Regular
Joined: Apr 2002
Posts: 670 |
I am not new to reloading, but certainly not a guru. Sometimes when sizing brass like the 300wsm brass I was sizing this morning, will fit tight in my chamber, (ie) tight bolt close.
This brass is all same manufacture, all ran through same RCBS FL die, all trimmed to same length, and some the bolt will nearly fall on its own. Some will be somewhat hard bolt close and some will be hard bolt close.
This is Winchester brass, some once fired by my rifle and some once fired in a buddy's rifle. I wouldn't think if it was fired in another rifle would make any difference when FL resizing.
Any ideas ???? Oh yeah ! https://www.youtube.com/watch?v=6sLhIFXt5go
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