AR Sponsor
Posted: 4/4/2010 10:01:27 AM EDT
| I have a DPMS lower with what I believe to be is a bushmaster 20" upper. How can I be sure? The only markings I can find on the upper are on the barrel: B MP 5.56 NATO 1/9 H BAR. Is there any way to know for sure what the upper /barrel is on this rifle? |
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