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10/10/2004 9:43:04 AM EDT
I am looking at a DD 9.0 for my new upper... How does it mount?? Does it mount like handguards or more like an ARMS SIR system?
Thanks
10/10/2004 10:17:48 AM EDT
[#1]
Neither. It requires the removal of the FSB and the barrel nut. The DD rail come with an aluminum barrel nut that replaces the stock steel one.
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