05-25-2018, 02:54 PM
(05-25-2018, 12:28 AM)Sociopathicsteelerfan Wrote: Other way around, my friend. The 5.56mm round has a slightly longer "neck" Also the chamber pressure is a bit higher. A .223 chambered firearm cannot always fire a 5.56, a 5.56 chambered firearm can always fire a .223. It's the exact opposite of the 7.62x51mm and .308 winchester rounds.
Okay, that makes sense why I got it backwards. I've never owned a .223/5.56, but I've had plenty of .308s in my time we used to have an M14 that I loved shooting.
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"The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little." - FDR