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Not really trying to overthink things - it's just that these cases can be treated as miniature rifle rounds, and I speculate approach #3 may be best for maximizing brass life.
1. Full - Length Sizing to fit a Case Gauge
2. Full - Length Sizing to satisfy the "Plunk Test."
3. Partial Full - Length Sizing to enable Full Battery.
https://thefiringline.com/forums/showthread.php?t=469020
That's how much 1/8 turn of the die bumps the shoulders back (image on the right); not quite "Full Plunk," :lol: but my pistol loads and cycles securely.
This is a common practice among folks who handload for bolt guns. Lots of arguments for and against it, many difficult to validate...

1. Full - Length Sizing to fit a Case Gauge

2. Full - Length Sizing to satisfy the "Plunk Test."



3. Partial Full - Length Sizing to enable Full Battery.
https://thefiringline.com/forums/showthread.php?t=469020
That's how much 1/8 turn of the die bumps the shoulders back (image on the right); not quite "Full Plunk," :lol: but my pistol loads and cycles securely.
This is a common practice among folks who handload for bolt guns. Lots of arguments for and against it, many difficult to validate...
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