Here's the 9mm Ball (pre-NATO) data sheet:
https://www.ar15.com/media/mediaFile...pg-2820291.JPG
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Here's the 9mm Ball (pre-NATO) data sheet:
https://www.ar15.com/media/mediaFile...pg-2820291.JPG
That's the first loading lesson I learned with 45 ACP. Loaded ammo that wouldn't quite chamber due to following the exact dial caliper dimensions. Shit.. for 9mm and 45, I just eyeball OAL or match it to a factory load with my eye. Then chamber check it if there's any doubt.