How can snap caps do the job? Snap caps work by enabling the firing pin to fall with no possibly harming it by falling on an vacant chamber, normally falling over a spring-kind button wherever the primer on the loaded cartridge is situated. The flat-nose designs also are usually plastic. https://dryfirepracticeblankshell36813.blogtov.com/10211254/5-simple-statements-about-snap-caps-for-shotgun-explained