All CCI Primers Use a larger anvil location to compensate for firearms that could have an off-centre firing pin and therefore are engineered to allow clean feeding in automatic reloading products. The APS (Computerized Priming System) primers are preloaded into colour-coded plastic strips for use in the proprietary RCBS APS https://cesarfhbrg.tblogz.com/federal-100-things-to-know-before-you-buy-45489017