I have been reloading some 5.56/223 55 gr bullets with 24.0 gr and some with 24.9 gr of H335 powder and using both CCI#400 and CCI#41 primers thinking the #41 was just a thicker cup, I haven't run into any problems or seen any difference in accuracy with either primer.Have I just been lucky or with both loads being under max the reason I seen no difference between the two primers ?
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