I used a 1911 in .45, wife was 9mm, one other 1911 there, the rest were .22. 3 of the 11 people there didnt have or bring their own weapon. Instructor gave them all semi-.22s to use.
...and yes it was a lot of "pop" "pop" "pop" "BOOM" "pop"!
...and yes it was a lot of "pop" "pop" "pop" "BOOM" "pop"!