Quote:
Originally Posted by Pizza Bob
Not necessarily. It has been my experience that new brass, whether for reloading or from factory ammo, is considerably shorter than the actual SAAMI spec chamber dimension. The fact that 9x19 mm gets pushed into the chamber and 9x21 mm headspaces correctly without clips serves to illustrate that. Measure the brass and compare to specs and measure the chamber. Just because 9x21 fits doesn't mean that is what the cylinder is chambered for - it means that your 9x21 mm brass is short.
Just a little fuel for the fire.
Adios,
Pizza Bob
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Evening Bob
I must be missing something there-- I just measured one of my 9x21 cases & the brass length (as measured) is 21.11mm. When I clip that into a moon clip that 21.11mm case goes all the way into the chamber with the moon clip tight to the rear of cylinder.
I'm not sure how to accurately measure the chamber depth on a moon clip cylinder as moon clip thickness & case base to rim slot is not spelled out in the SAAMI specs.