Posted: 1/20/2008 7:17:54 AM EDT
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I have had a RRA complete upper for a little over a year now, just recently got around to building my lower and assembling the rifle. Before taking it out for the first time I wanted to make sure which ammo I can run through it. 204 is printed on the barrel which indicates R4-Chrome Lined. I am assuming this can handle both 5.56 and .223, is this a fair assumption? Is any other info needed to be sure? Is there any ammo (besides Wolf) that I should stay away from? This may be a newbie question but the last thing I want to do is run 5.56 through a .223 only gun. Thanks for any help you can provide. Marc |