![]() Warning-icon WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects, or other reproductive harm. CCI 550 Small Pistol Magnum Primers (1000) WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. They are more sensitive and easier to seat than older CCI primers and engineered for smooth feeding in automated equipment. I received a box of these and was told that I could use them just as I would use the CCI No. That’s a huge benefit for progressive reloaders. 550 Magnum Small Pistol Primers for 9mm luger. CCI standard primers are remarkably clean-burning, leaving primer pockets cleaner and extending the time between pocket cleaning. They utilize modern non-corrosive and non-mercuric initiator mixes for the cleanest burn possible. As a result today's CCI primers are more sensitive, easier to seat and more compatible with progressive and automated loading equipment than ever before. These are the “bread-and-butter” of reloading, the most commonly called-for primers in reloading recipes. CCI Primers are continuously tested and improved. As a result, today’s CCI primers are more sensitive, easier to seat, and more compatible with progressive and automated loading equipment than ever before. I am going to continue to investigate until I either confirm or deny that hypothesis.CCI Primers are continuously tested and improved. Winchester Large Magnum Rifle Primers 8-1/2M (100pk) 16 00. Federal Premium Gold Medal Large Rifle Magnum Match 215M Primers (100pk) 27 00. My take away from this weekend was that the Remington primer loads appeared to shoot better and also made Minor power factor. CCI Small Pistol Magnum Primers 550 (100pk) 19 50. Next time I will likely bring the ammo in a cooler to help keep that variable as constant as possible. Temperature is the one that comes to mind. As a result todays CCI primers 550 are more sensitive, easier to seat and more compatible with. There are other factors that could have affected the test. CCI 550 primers in stock are continuously tested and improved. CCI 550 Small Magnum Pistol Primers - 1000 pcs These are the bread-and-butter of reloading, the most commonly called-for primers in reloading recipes. ![]() I do agree with you that the test needs to be repeated. If your spread is 50 then it is 25 to the middle. Had the CCI loads been more consistent the averages and medians might have grouped closer together but that was simply not the case in this dataset. On one set of loads the CCI ranged from 1040 to 1090 where the Remington ranged from 1100 to 1125. ![]() The Remington primer loads were more consistent than the CCI loads which will result in an increased spread when you are evaluating the data for mean and median. Please keep in mind that this is based on average and median. I find the malfunction scenario unlikely. Either the chronograph malfunctioned consistently in favor of the Remington loads for 60 straight rounds or the Remington loads were on average faster and more consistent all else equal. I was using a chronograph to measure my velocity. The difference in velocity, however, is a different matter. That could have happened just based on my limited ability. 20 percent hotter flame to light propellants in the. The primers produce a 20 percent hotter flame to light propellants in the toughest conditions, yet are as sensitive as all CCI® primers. CCI Small Pistol primers are clean burning and provide unmatched reliability. It is possible that I shot the rounds loaded with the Remington primer more accurately purely by accident. Our Magnum Pistol primers provide the extra heat needed to ensure reliable, consistent ignition. Product Overview: The most accurate handloads begin with the right primer. The accuracy differential is a matter of my physical performance and perception. They were fired under identical conditions, same day, back to back, alternating 5 round strings. The OAL of each round was measured as I was also testing to see what impact changing my OAL might have on accuracy. Reduction of extreme velocity spread due. ![]() I load 9mm minor and major power factor ammo, 40 S&W minor and major, all using. The rounds were identical with the exception of the primer. SPM primers have a slightly harder cup, and a slightly hotter flame. ![]()
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