Neither The High Road nor any of its directors, members, managers, employees, agents, vendors, or suppliers will be liable for any direct, indirect, general, bodily injury, compensatory, special, punitive, consequential, or incidental damages including, without limitation, lost profits or revenues, costs of replacement goods, loss or damage to data arising out of the use or inability to use this forum or any services associated with this forum, or damages from the use of or reliance on the information present on this forum, even if you have been advised of the possibility of such damages. A few years ago, I read MANY complaints about WLR primers letting go at the edge and pitting bolts. Accuracy may have benefited too, but all five primer types produced accuracy averages within 0.15 inch of each other. CCI® Primers – Per 1000. A forum community dedicated to Glock firearm owners and enthusiasts. Years ago, I was told the same thing, (i.e., CCI primers are harder,) by an Accurate Powder Compmany technician whom I had called about a powder question regarding reloading.223 Rem. Using a Dillon RL550B. some competition guns/trigger jobs say to only use federal. Email me when available. Some revolver trigger and action lightening jobs may result in a lighter hammer fall that results in not all the primers going off. The Federal primers are made from softer metals and they use a more sensitive priming mixture than anyone else. 8K Federal 100 SPP - $150 / K 2K Federal Large Pistol - $150 / K 2K Federal Small Pistol Match - $175 / K 2K Federal Large Pistol Match - $175 / K 13K S&B SPP - $100 / K 3K CCI 500 SPP - $150 / K 3K CCI 450 Magnum SRP - $150 / K 1K CCI 41 SRP - $175 / K 1K CCI BR-2 LRP - $175 / K Selling Terms : Face to Face in RI Contact Information: PM me Federal - Match Small Magnum Pistol Primers, Item ... CA$7.95. I have both and use both but personally I like using the CCI just because of the packaging is easier to put in my Lee primer loader thingy.