Originally Posted by Punisher
Very nice. What kind of mount are you using for that optic?
Not really sure to be honest. I picked it up off a guy who switch to LaRue mounts for his optic. It has a peep hole in the arm, so I can use the tactical carry handle I have and a scope if I decide to go that route. Here's an old pic with the M4 handguards, hogue grip, and verticle grip on it:
Also with a more standard carry handle: