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A2? A4? M4?
I'm about to invest in an AR rifle. I understand the 5.56 /.223 chamber differences, but while I'm looking, I'm coming across evidently several different models, A2, A4, and M4 mainly. Could somebody explain the differences in these models, and the advantages/disadvanges of each, or at least direct me to an article on this subject? Thank you.
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The tree of Liberty must be refreshed from time to time with the blood of patriots and tyrants...Thomas Jefferson
If someone wrote a book about your life, would anybody want to read it?
Those who beat their guns into plowshares will plow for those who won't.
NRA Endowment member
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