What? You expect people to both read and answer the question that is asked? You expect a lot.
There are some SASS clubs that put on a 22 match, but that's, maybe, once a year. And if you're young enough to quality as a "Buckeroo", you can shoot 22s, but that's kids under 12.
But, an actual cowboy shoot that's 22s only? Never heard of one.
Meddle not in the affairs of dragons, for thou art crunchy, and taste good with catsup - George of Lod, Year of Our Lord 297
I always take precautions.
Beware the Evil Bullet Fairies.