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AR15.COM
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3/23/2009 6:49:37 AM EDT
I am really new to this site so in advance, forgive me if I posted this question in the wrong place... I have a DPMS AP4 carbine and am looking for a UTG made quad rail... I saw that one says FREE floating and the other does not... what is the difference and which of those choices is the best... Thanks...
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