Iron Badger
There is a much more elegant and cheaper solution. Contact Nate Kiowa Jones (Steve Young) at Stevesgunz. He offers a nifty little kit that eliminates that stupid safety. The only remnant of the safety is Steve's little "button" plug which disappears at 6 feet.
While you're at it, buy Steve's DVD for tuning up the Rossi and his Spring Kit. You won't believe the difference it will make in the gun.
No, I don't receive promotional considerations, remunerations, or even acknowledgement from Stevesgungz. Steve is just a fellow gunsmith whom I recommend.