All CCI Primers Use a larger anvil space to compensate for firearms that may have an off-centre firing pin and therefore are engineered to permit clean feeding in automatic reloading machines. The APS (Computerized Priming System) primers are preloaded into colour-coded plastic strips for use inside the proprietary RCBS APS https://dallasncpeo.thelateblog.com/32106890/5-tips-about-zündhütchen-large-rifle-magnum-you-can-use-today