Works great - Warne Rifle scope 30 mm Permanently Attached CZ 550 19mm Dovetail Medium Ring

I bought the rings for a Pardini target pistol. The pistol has a rather odd sized rail, and even the Picatinny rail on the barrel shroud would not accommodate a universal mount. I saw in an online forum that these rings would work, but that two sets would be needed because the rear ring has a lug that fits the CZ 550. I bought just one set of rings, just to make sure that the front ring would fit. Then I tried grinding the lug off the rear ring, and it worked perfectly fine. The sight is very secure and the rings work very well.