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Max Online: 16728 @ 03/25/12 08:51 AM
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#5654980 - 03/17/15 11:59 AM Norma Brass too Big After Firing
Hunter Gatherer Offline
Woodsman

Registered: 12/30/12
Posts: 173
I have a question concerning Norma Factory ammo. When I shoot, the brass is hard to extract from the rifle. Action acts like it needs oil. However, it feeds fine when cycling unspent ammo. Again, this is FACTORY ammo, not reloads. Any help on this? Is Norma brass known to be thicker than others? Thanks!

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#5654987 - 03/17/15 12:05 PM Re: Norma Brass too Big After Firing [Re: Hunter Gatherer]
ChadTRG42 Offline
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Registered: 09/16/09
Posts: 11932
Loc: Lewisville, TX
First, what caliber? Yes, Norma brass is thicker than most other brands. Do you have any shiny spots on the case head, like from the extractor? It sounds like you might have some pressure signs. It's normal to have a little extra effort to open the bolt after firing than cycling unfired ammo.
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#5655180 - 03/17/15 02:25 PM Re: Norma Brass too Big After Firing [Re: Hunter Gatherer]
Hunter Gatherer Offline
Woodsman

Registered: 12/30/12
Posts: 173
There aren't shiny spots and the primers all look good. There is a mark in the same place on each casing where the case transitions to the first radius to meet the neck. And the caliber is a 257 Weatherby.


Edited by Hunter Gatherer (03/17/15 02:26 PM)

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#5655195 - 03/17/15 02:42 PM Re: Norma Brass too Big After Firing [Re: Hunter Gatherer]
Cast Online   happy
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Registered: 12/14/08
Posts: 16745
Loc: North Texas - God's Country
If there's a mark on the brass, it coincides with a rough spot in the chamber, maybe.
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#5655211 - 03/17/15 02:52 PM Re: Norma Brass too Big After Firing [Re: Cast]
redchevy Online   content
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Registered: 10/25/04
Posts: 26987
Loc: Texas
Originally Posted By: Cast
If there's a mark on the brass, it coincides with a rough spot in the chamber, maybe.


Sounds logical to me
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#5655257 - 03/17/15 03:32 PM Re: Norma Brass too Big After Firing [Re: Hunter Gatherer]
Cast Online   happy
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Registered: 12/14/08
Posts: 16745
Loc: North Texas - God's Country
Maybe stuff a cotton ball in there and see if it snags...
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#5655641 - 03/17/15 07:52 PM Re: Norma Brass too Big After Firing [Re: Hunter Gatherer]
Hunter Gatherer Offline
Woodsman

Registered: 12/30/12
Posts: 173
I'll definitely check the chamber. Tried Weatherby ammo and problem ceased.

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#5655686 - 03/17/15 08:13 PM Re: Norma Brass too Big After Firing [Re: Hunter Gatherer]
OkieDokie Online   happy
Pro Tracker

Registered: 01/28/08
Posts: 1047
Loc: southern OK
Sounds like pressure. I would not use them.it will get worst in hotter tempts. Go with the weatherby ammo or any other that doesn't cause a sticky bolt .
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#5656212 - 03/18/15 07:45 AM Re: Norma Brass too Big After Firing [Re: Hunter Gatherer]
redchevy Online   content
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Registered: 10/25/04
Posts: 26987
Loc: Texas
If it is leaving a distinct mark on the brass I would figure there is a bur or something in there causing it.
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