A really good friend of mine is looking to sell his Rhino .660 for the Beretta Extrema 12 gauge. I don't have too much info on this choke other than its had 15-20 hevi 13 # 6's shot through it so if you have questions please call or text him directly. His name is Andy and can be reached at 678-231-7932. He is asking $60 plus shipping. (http://img.tapatalk.com/442047e1-a7f4-b3f2.jpg)(http://img.tapatalk.com/442047e1-a803-b770.jpg)