View Full Version : how to tell 223 or556
11-26-2011, 9:50 PM
got a new ar-pistol today looked at upper and no marking at all, how do i tell if 223 only or 556?? going to range will just shoot 223 until i find out
11-26-2011, 9:55 PM
It should be marked on the barrel. If not contact the manufacturer and ask. But like you said shoot .223 until you find out for sure. Goodluck.
11-26-2011, 10:28 PM
i"ll have to pull the hand gaurd will do that next week,
11-26-2011, 10:42 PM
Where did you buy it from? Manufacturer?
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