1. Firing pin strikes and ignites primer
2. Burning primer mixture travels through flash hole to ignite powder
3. Burning powder gasses expand case to fill chamber
4. Bullet is forced from case, accelerated down barrel
5. Case cools, shrinks to nearly original size, allowing case to be ejected
1. Examine cases before loading and discard any that are not in good condition
2. Fired case is held in reloading press by shell holder
3. Resizing die sizes the case back to original dimensions and removes spent primer
4. Case should be measured and may need to be trimmed to original dimensions
5. A priming tool seats new primer in primer pocket
6. Primed cases are filled with a carefully measured powder charge. You must follow prescribed data in a reloading manual
7. A bullet seating die seats a bullet into the neck of the case to the proper depth, completing the cartridge. With some handgun and rifle dies, the seater also crimps the case into the bullet, preventing bullet movement under recoil
Most handgun die sets have a third die that expands or "bells" case mouths to accept new bullets
NEVER ATTEMPT TO RELOAD WITHOUT CONSULTING A RELOADING MANUAL!
After you decide what cartridges you want to load, focus on learning. A famous rifleman once said, "Reloading takes thirty minutes to learn and thirty years to perfect." Read at least one reloading manual's reloading tips, talk to knowledgeable reloading professionals and call technical service lines if you have questions. Most importantly, reload!