All the ammo I've tried seriously have been subsonic. The CCI Standard are subsonic - stupid name! I don't see the point of supersonic ammo in 22LR. It's less accurate and if you're going to make that much noise, then why not 17HMR or 22WMR for flatter trajectories?
I thought that I might use subsonic for close range and supersonic for longer range, but having two points of aim is confusing. Also, I never got adequate accuracy with the supersonics at long range and fiddling around with 22LR rounds at night was impractical.
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