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Posted: 9/21/2008 3:41:08 PM EDT
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I have a Rock River Arms entry tactical AR-15 and would like to buy a Magpul CTR stock but am unsure whether the buffer tube is a mil-spec or commercial version. I know the Magpul website has a sheet that tells you how to determine which is which but when I measure the diameter of the buffer tube it seems to be 1.14" yet it has a slanted back. Is this possible? I thought the mil-spec versions always had a flat back. Does anyone have any insight? |
But .114 sounds mil-spec
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