CCI 500 STANDARD SMALL PISTOL PRIMERSMCCI0014 These are the bread and butter of reloading, the most commonly called for primers in reloading recipes. CCI standard primers are remarkably clean burning, leaving primer pockets cleaner and extending the time between pocket cleaning. Thats a huge benefit for progressive reloaders. They are more sensitive and easier to seat than older CCI primers, and engineered for smooth feeding in automated equipment. BOX OF 1000 UNITS.