In a normal situation I don't reload. However, if you get a malfunction and need to swap mags you're ready. Also, I've completed in two PCC matches in the last week and had to go to the backup mag on 3 occasions. In two cases, I ran the course only to find the timers malfunctioned. In the third case, after making ready, a bystander noticed and untaped target and I had to unload the gun. Each time I had a fully loaded mag ready to go