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Odd marking on 44mag brass


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I picked up some used 44 mag brass. It had not been cleaned. Has a lighter colored band about 1/4” wide right at the rim. Very uniform across the batch. 
thoughts? The primers did appear to be flat. 

 

 

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98CF4402-B866-4D64-9CF8-A6C225748940.jpeg

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What is the head stamp on the brass?

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There is a "witness mark" on the brass at that point which indicates the brass is making positive (tight) contact with the with the chamber it was fired in. 

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7 minutes ago, Nickel City Dude said:

What is the head stamp on the brass?

R P

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R P could stand for Remington Peters.  Just a guess.

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Posted (edited)

It might be the first time..... but I actually agree with Colorado Coffinmaker..... :lol:

 

EDIT:  sometimes, this 'Witness mark' can be caused by reloading 'resizing' die if it isn't adjusted properly.

 

..........Widder

 

Edited by Widder, SASS #59054
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Maybe somebody was not full length resizing, so bottom of case is thicker and seals better so less dirty?  Have you put a caliper to the various parts?

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The residue from sizing lube?

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Does the dark color wipe off easily with a little bore solvent?   The dark area is what is contacted by most sizing dies, so powder fouling would be spread out over the darker section of the case if it was not removed by tumbling or vibratory cleaning before sizing.   The "clean" section is prevented from entering the sizing die by the shell holder.

 

good luck, GJ

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13 minutes ago, Sacramento Johnson #6873 said:

Does the dark area on  the shell go all the way around the shell?

Yes. As does the light colored band 

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O.K. , you picked up this brass somewhere , you didn't shoot it to get it this way ; so why not clean it and load some and shoot it in your sixgun or rifle and see how it comes out. May be nothing wrong with it. Or it may all split and be junk.

Good luck , and good shooting,

Rex :D

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3 hours ago, Rex M Rugers #6621 said:

O.K. , you picked up this brass somewhere , you didn't shoot it to get it this way ; so why not clean it and load some and shoot it in your sixgun or rifle and see how it comes out. May be nothing wrong with it. Or it may all split and be junk.

Good luck , and good shooting,

Rex :D

That’s my intention! I bought some new 44mag brass, seller  threw in about 50 rounds of fired. Just looked odd. 

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1 hour ago, Itchy Trigger said:

44Mag for Pistol - Long Distance?

Both LR pistol in a Ruger SuperBlackhawk with 10” barrel and LR pistol caliber rifle with Marlin 1894 Cowboy. 

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