Dovetail Adapter for Infitac Fast Mini series - FMP13 FML19 ATP13
Compatible with Smith & Wesson M&P Non Optics Readymodels (excluding .22 Compact, C.O.R.E. models), M&P Compact 2.0, as well as SD9 and SD40 .
It's a plate that slides into the cut where your rear sight sits. Since a non optics ready slide has no milled pocket, the PA05 uses that dovetail to give an Infitac Fast Mini a solid base on S&W M&P, SD9 and SD40 pistols.
No. Picatinny is a rail with evenly spaced cross slots, common on rifles. A pistol rear sight dovetail is a single angled cut across the slide. The PA05 is a pistol dovetail adapter, so it won't fit a Picatinny rail.
They're worth it if you want a sight on a pistol without sending the slide out to be milled. The adapter goes in the existing dovetail, and you can go back to iron sights later. Just confirm your exact model first, since fit is model specific.