All CCI Primers Possess a larger anvil spot to compensate for firearms which will have an off-centre firing pin and are engineered to enable easy feeding in automated reloading equipment. The APS (Automatic Priming Method) primers are preloaded into colour-coded plastic strips for use inside the proprietary RCBS APS primer https://zndhtchencci-500smallpist42967.ttblogs.com/11150090/a-secret-weapon-for-cci-large-rifle-magnum