This guy figured it out .... as long as you make a 2 gr. trail boss 'blank' with wax filler over powder ... I would like to see if it would shoot out two bullets , may take a couple out times.
I stuck two bullets in Revolver, 158 gr. SWC target low powder loads right at the 4" barrel end . Drilled and pulled first one with screw, second with nylon fuel tubing over drill and screw to pull bullet by clamping head of screw in vise and rubber mallet tapping on frame as I pulled.
I changed from 148 gr. WC bullet with hollow base which burning powder expands hollow base to seal 2.8 grs. red dot powder. With no expansion to seal 158 gr. SWC ...... 2 stuck bullets. Fortunatly lead bullet with low powder/pressure so no barrel damage ,,,, Unlike Elmer Fudd with his shot gun.