Interesting Range Day Find.

[RCS]

I was shooting some CCI long rifle in a 22 rim fire conversion kit installed in a Colt AR-15 Sporter when I heard a odd, different noise. As the long rifle cartridge was being started toward the chamber it went off ! The case bulged and bullet was found on top of the magazine after the bolt struck the loose bullet. Never seen anything like this before.Attachment 101246Attachment 101247

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[usabaker]

Never seen anything like this before.

I have, I've seen its on .22's that have webble wobbly heads the heads hang up on the lip of the chamber and the bolt crimps the primer enough to discharge. Makes a crazneesem' report and metal flackeness to whats on the side of the discharge port.