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Crushing .223 Cases

H
memilanuk said:
Well, your numbers make no sense - 2.235, and 2.20?

Get a new caliper that you trust. Usable ones are cheap. Good ones aren't that expensive.
Click to expand...
Fixed it. The bullet is .2235. Mitoyu calipers work for most things.
hlee said:
Yeah, it’s some really hard cryptography to figure out. OP inadvertently moved decimal place. Bullets measure 0.2235. Hornady expander ball measures 0.220. 3 thou or neck tension seems right.

How are the cases cleaned? Are you lubing the case necks?

I crushed a couple of 300 BO cases once, but I was attempting to seat and crimp in one operation. Separating west from crimp resolved the problem. On that note, is your seating die adjusted properly?
Click to expand...

Bingo!

I removed the micrometer seating stem, and the case still came up hard in the same place. It was the seating die that was crushing the case, not the seating stem.

The die had to be backed out almost its full length on my Forster press. The die was last used on a Hornady Lock-n-Load. I screwed the seating die down to make contact with the shell plate. That doesn't work.

Thank you.

Returning to regularly scheduled programming.
Click to expand...

Crushing .223 Cases

H
Yeah, it’s some really hard cryptography to figure out. OP inadvertently moved decimal place. Bullets measure 0.2235. Hornady expander ball measures 0.220. 3 thou or neck tension seems right.

How are the cases cleaned? Are you lubing the case necks?

I crushed a couple of 300 BO cases once, but I was attempting to seat and crimp in one operation. Separating seat from crimp resolved the problem. On that note, is your seating die adjusted properly?
Click to expand...
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