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Tight Primer Pockets

 
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  #1  
Old 07-08-2012, 11:27 PM
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Join Date: Oct 2011
Location: Southwest Alaska
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Tight Primer Pockets

Bought Nosler .300 RUM brass and was going to uniform (or try to), the brass. I cannot get the uniformer even a quarter of the way into the pocket.

I am wondering if I should invest in a Wilson reamer to ream the pockets out to the correct size? If I cannot get a uniformer into the pocket, I have no way of knowing if they are all the same depth.

Advice appreciated.
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  #2  
Old 07-09-2012, 07:55 AM
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Re: Tight Primer Pockets

welcome to nosler brass! not worth the money if you have to do this much work to 'em, that's what I found.
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  #3  
Old 07-09-2012, 06:07 PM
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Re: Tight Primer Pockets

how is the primer seating?/ are they uniform already??
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  #4  
Old 07-09-2012, 06:47 PM
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Re: Tight Primer Pockets

A pocket uniformer is an end cutting mill/reamer, don't understand why you can't easily cut to the bottom of the pockets. ??
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  #5  
Old 07-09-2012, 09:15 PM
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Join Date: Oct 2011
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Re: Tight Primer Pockets

I haven't seated any primers yet.

The uniformer is an extremely tight fit. I checked the pockets with a pin gage, they are tight on the 0.251" gage; an interference fit. I was able to work the uniformer in and it just touches the bottom removing almost no brass, but a tiny bit. I will try maybe ten cases total to see if they are all at a uniform depth. If they are then I won't worry about it.

Yeah, maybe I should have waited for the Norma, but at least all my tools are now set to work .300 RUM brass!

I might also seat a few primers to see if they are too tight. I just got off work and am pooped.
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  #6  
Old 07-09-2012, 10:37 PM
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Re: Tight Primer Pockets

If I were in your situation, knowing what I now know regarding Nosler brass, I'd shove the primer in there not worrying about variations in seating depth. As long as the primer doesn't extend above the case head there is nothing to be concerned about.

Work up your load heading towards maximum velocity. Long before you attain significant pressure the primer pockets will be opened sufficiently that your tool will fit with plenty of room. If you then do the ream thing you will be frustrated as way sooner than you would like the case won't hold a primer at all.

this has been my experience loading Nosler 300 RUM brass in a 270 Allen Mag. With Rem brass loads the Nosler stuff lasted on three shots compared to the Remmy's 5 or 6.

Sorry to be so rude but I think very little of Nosler brass when attempting to attain maximum reasonable performance.

Nosler's advertising/marketing sucks everyone in for a little while.
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  #7  
Old 07-10-2012, 06:38 AM
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Re: Tight Primer Pockets

I don't think you are being rude, just calling it like you see it.
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