We were using loads recommended by Sam Dayton - the gunsmith who assembled many of the rifles used by the team. We weren't getting our load data from Quickload. you gotta do this, that and such-and-such."įrankly, I don't think any of us even had computers except maybe one or two guys with an INTEL 486 for word-processing and playing "DOOM" when we discovered CCI 400's were unsuitable back in the mid-90's. Yeah, I know somebody will be along promptly to admonish, "Weeelllllll, that's Quickload, you can't go by that. This is CCI 400 with 23.5 N-135 with 80 SMK 2.400” OALīelow is the load that kept damaging my rifle in Quickload.
Run pressures up to SAAMI limits for 5.56 in an AR-15, and I promise you will have primer problems if you use standard-thickness small rifle primers - including any CCI 400.Īfter several members of the team experienced the same problem (this was about the same time we were all transitioning from M1A to AR15 for competition) the team all switched to MAGNUM primers, and the problem went away completely, with all loads and all guns used by the team. We solved the problem by simply switching to CCI 450 (magnum) primers.Ĭhronograph data with the magnum primers was indistinguishable from the chronograph data with the 400's. Why would the all the other members of my rifle team who were having the same problem with standard small rifle primers of various brands, and with other various loads?
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