have a four month old NF unimount part #A191. 1.375 height, 20 MOA, 30mm rings. It was mounted for approx 60 rounds on the AR, have decided to go a different way. These are listed for $250 new, $212 dealer demo, mine is used. Ive lost the box and torn wrench for it so I'm asking $180 OBO SHIPPED. Discreet Paypal gift only for funds exchange, will be sent out immediately. First I'll take it wins, please follow up with an EMAIL. A link below will take you to the NF homepage. Thanks for looking. Ad is cross posted, as well as locally.