Not to my knowledge, you have to get one for an AR-10.
Here is a list of places to look.
ArmaLite---of course
LaRue Tactical-www,laruetactical.com
Daniel Defense-www.danieldefense.com
Now if you don't want to go free float there is another option.
Midwest industries makes a drop-in rail fore arm for the ArmaLite carbine and rifle.
www.midwestindustriesinc.com
If that is something to think about, check out the pictures in the picture gallery under components.
If you want something less expensive, like to mount a bi-pod check out GG&G's under fore arm rail.-www.gggaz.com
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