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Armscor .223 brass...

I bought some new Armscor .223 brass from Graf and Sons, last week. I pulled 50 out of the package, did some quick prep work, then began to prime them.
About half way through (I use an RCBS Auto Bench Priming Tool) I noticed several "high" primers. The worst being about +.003, and the best being even withe case head.
I checked the priming tool by priming a couple of LC cases. They measured .003 deep.
Is this stuff junk, or am I doing something wrong?
Thanks for the help. :)
 
I bought some new Armscor .223 brass from Graf and Sons, last week. I pulled 50 out of the package, did some quick prep work, then began to prime them.
About half way through (I use an RCBS Auto Bench Priming Tool) I noticed several "high" primers. The worst being about +.003, and the best being even withe case head.
I checked the priming tool by priming a couple of LC cases. They measured .003 deep.
Is this stuff junk, or am I doing something wrong?
Thanks for the help. :)
It s junk
 
I have never used Amscor brass, so I can not speak of its' quality, as others have. Most brass you can make shoot fairly good, but it may not hold up to repeated reloading as well as premium brass. The cure for high primers is to uniform the depth of the primer pockets. Get a primer pocket uniforming tool, I know some of the normal manufacturers make them. Check Sinclair, 21st Century, K&M and what ever other manufacturers you choose. Set it for the deepest primer pocket of your lot of brass, and run them all to that depth, if you see that will not get you safely below flush with the case, go deeper. The depth (within reason) is not as critical as them being a uniform depth. I believe you need a minimum of .002 clearance, but do check another source, as I am going from memory. I use Lapua brass for .223, and set my pocket uniforming tool to about .118" to .120" depth I believe, to get them all to clean up. It does vary slightly from lot to lot. With some careful prep, most brass can be made to shoot relatively accurate. Good luck, Jim
 
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