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Hello Sharpshooter33
I have specīs on file from different barrel makers, and I have done some actual tests myself.
Have C.O.l. & related info for your gun.
You have some questions, but before I get into it. What is the problem(s)??
Is it only that specific caseses, or if you have, cases from other "manufacturer" that cause you a problem?
Military or civilian? What brand?(mix?)... 223 or 221 cases?
Try to explain what is happening with the cartridge & gun combo.
Best regards
Torstein
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