[ironwill]

Why so much emphasis on the .223 rather than the 5.56/308? Does it have to do with the availability of ammo?

[Kent C]

“Why so much emphasis on the .223 rather than the 5.56/308? Does it have to do with the availability of ammo?”

.223=5.56 and is the caliber of the AR15(semi) and M16(full auto). .308 is also a popular round, but not in the same supply as the .223/5.56 because of the dominance of the M16/AR15.