They must have a longer bullet - ie: longrifle bullet if accurate. I'd always though that most guns with 16" twists wouldn't like the long's, 29gr. '.22 Short' bullet. Rifles designed for the Short's shorter, lighter bullet are usually 24" twists, aren't they?

Of course the requisite range might be within this round's accuracy window. An inch at 50 isn't too bad.

They might be good for indoor plinking.