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Old 01-19-2011, 22:05   #1
Senior Member
Join Date: Jul 2008
Location: St. Louis
Posts: 152
RocK River Questions...

I am looking into using a Rock River LAR-15 Mid Length as a platform for my build, but looking on their website has generated a question - What's the difference between the A2 and the A4? THe A2 is heavier and a tad more expensive, but why?

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