Going by the "one shot" metaphor, if poor folks even get that shot, it might just be a hand-load where the case, slug, and powder were all scavenged by sweeping

Going by the "one shot" metaphor, if poor folks even get that shot, it might just be a hand-load where the case, slug, and powder were all scavenged by sweeping the floors at the firing range, and the primer inherited from a dead relative. You're more likely to hit what you're aiming at if you're not worried about whether you're going to blow up your favorite hand when you pull the trigger.