Now that I have warned you about the dangers in what you have done, and 'guessing' which powders there is to use. look for a book called the 'abc's of reloading.'
That is a good start. They make reloading presses to safely secure the primer, seat and crimp the bullet, etc, and you could even get a great brand multistage reloading press called a Dillon of you want to reload them in a hurry.
STOP MAKING YOUR OWN BULLETS AND GLUING THEM AND RIGGING PRIMERS TO FIT AND ESPECIALLY USING SHOTGUN POWDER OR YES< YOU WILL DIE OR BE FORCED TO GET A JOB WORKING FOR THE CIRCUS OR RIPLEYS BELIEVE IT OR NOT!