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User avatar #22 - slenderwolf ONLINE (02/12/2013) [-]
On a side note, the AR-15 can be chambered for both the .223 and 5.56 NATO rounds
User avatar #28 to #22 - charagrin (02/16/2013) [-]
True, but to make it clear for those who may not know, a 5.56 NATO rifle can safely fire .223 REM, but generally not the other way around due to the 5.56 having higher pressures and a longer lead. Not saying you CANT fire 5.56 from a .223, just that for some guns it may not be safe.
User avatar #32 to #28 - slenderwolf ONLINE (02/16/2013) [-]
Yeah, the rifle will be stamped if it can hold up to the pressure of either rounds it will say something like 5.56 OR .223 or vice versa
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