Bumpfiring is not illegal. What would you be charged with? Personally I don't believe in going beyond the letter of the law.
I saw an interesting device the other day. It was a crank type trigger for a 10/22 . I know most of them don't work because you end up firing out of battery. This one had a bolt close safety/safety sear incorporated into the trigger pack to prevent the hammer from falling unless the bolt was fully closed. Great idea and they were running out 50 rounds in 5 seconds without fault. Total waste of ammo but totally legal.