I have the chronograph, scales, bullet puller, micrometer, etc.
For valid statistics you need at fire at least ten rounds, thirty is much better. Add a few more if you want to pull the bullets to measure powder charge, bullet weight, diameter etc. Double all that if you want to fire it from two pistols.
All my 9 mm Lugers that I am currently shooting have the military 4 inch barrel length. Someday I may break down and decide to shoot the six incher.
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