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View Full Version : What's the wide rail on a Surefire forend?


Ltfive
07-02-2011, 10:05 AM
I was looking at a Rock River "Government" model that had a Surefire forend, part number M73. It had three rails that looked normal size - width. The fourth looked quite a bit wider, and very different. No idea if this is a stock piece on this gun or not. Any ideas what it's for?