The fifth round has what appears to be a copper washed case. All rounds attract a magnet, so they may be either steel case or steel core.
The mystey is killing me.
I bet they are steel jacket, lead center with a steel core. I have some Czech 308 that is constructed that way.
"People live too long, dogs don't live long enough" - FTF Member-
Took them out today, not tracer. Didn't do much of anything, maybe a hair more accurate than usual, leads me to think heavy ball.
Fired off some of the non-suspect rounds, did have one case split at the top.
Oh well, still fun plinking.