The classic pistol whip involves grabbing the barrel, and smacking the butt on something-
Watch the movie Tombstone Kurt Russel employed Wyatt Earp favorite form of subduing a prisoner at least twice.
Once on Powers Boothe and once on the guy from the Nerd movies.
It was also called buffaloing.
Assuming that you are employing all four of the big four it wouldn't be any worse than any other truncheon type weapon.
It may also be a viable alternative if you draw and then find that you can't safely shoot without the bullet going into something you don't particularly want to destroy
It can cause death or disability but then so can shooting the person
Deadly force is deadly force