Worth the read:

I had two goals, besides the obvious one of spending a day trying to wear out the Marlins barrel. I wanted a look at the velocity numbers of (16) various makes of .22 ammo, and I wanted to pin down what the Marlin shoots best.

As a side bar, I was very curious if velocity consistency is a key to rim fire accuracy, as it is in a center fire. With my heavy barrel varmint rifle I look for less than 20 fps variation shot to shot. This tells me I have a load with consistent internal ballistics. I expect the same from any match ammunition I load, including pistol rounds....

Carteach0: Testing .22 ammunition for velocity and accuracy. Lessons learned?

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