Is there any difference in case dimensions of the 223 vs: the 5.56? My AR's are chambered for 5.56 and my bolt action is chambered fore 223. Are there diferent dies for the two or can 223 dies be used for 5.56?
One thing I've noticed on the 5.56. Specifically Winchester Q3131. There is a slight crimp at the case end at the cannelure. I don't reload, but I can imagine it would be something to be aware of.
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