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AR15.COM
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11/4/2001 10:41:01 AM EDT
Will I need a offset pin to mount my tapco M16 upper to a rra lower? After I make it p.c. of course.
11/4/2001 11:18:37 AM EDT
[#1]
No, the Tapco M16 uppers are A2 configuration.  RRA lowers have the standard diameter pivot pin.  it will mount right up.
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