Yes, and no. You take the pin out that holds the spring and plunger out and dump the parts out. Then the safty shaft will come out. You have to plug the hole and drill a new hole the same size and at the same angle as the old hole was. The safety shaft is then reversed and the ball, spring and pin reinstalled. The old guards made of aluminum are a lot easier to do than the new plastic (nylon?) ones. It just takes a bunch of tinkering and careful work, I do several every year. Bill