Starline 10mm Mag brass more goofing around

A more in-depth comparison here. Original version below. Good folks at Starline graciously supplied a bag of 10mm Mag brass.

I've read that 10mm Mag brass is a bit beefier, though capacity measurements of Starline's Mag version (cut down to standard length) suggests it might be built the same as their standard case. Wall thickness at mouth: Standard: 0.0115 Cut down Mag: 0.0095 Good neck tension felt seating a bullet in the cut down case. All Starline, left to right: Standard 10mm; 10mm Mag cut down to standard; 10mm Mag.

I'll cut some more to standard length this weekend & identical-load some modified & standard cases, see what the pre results are.

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