I had my favorite gun monkey (at the gun store) add a Mini-Scout-Mount (TM) because the 185 series seems to pose problems when adding glass of any kind. Since having the mount installed the weapon has become very fickle as to the ammo it likes. It used to be fine with 5.56 even though it is marked as a .223. Now it doesn't like even like .223. I do see a contact point on the handgaurd/mount made by the bolt slide but I don't believe that's the problem. I cridge everytime it fails to load the next round in line. It's fine when chambering the first one but any after that is hit or miss. Any suggestion?? Maybe?? Been back to the gunny twice and he says it' fine. I need info from you guys with more knowledge than the guy who sell me most of my guns. Thanks again folks for fielding my questions. My16YO little girl loves shooting this gun and I took her and a male "friend" over to the range and she put on a show blasting old clay pigeons at 75 yards with this set up. Loud but no recoil to speak of.