3-Interchangeable Newly Enhanced Textured Palmswell Grip SizesSlide cut to accept the following optics - Trijicon RMR Leupold Delta Point Jpoint Doctor C-More STS Insight MRDSBased on the popular Pro Series line of competition ready firearms the new M&P C.O.R.E (Competition Optics Ready Equipment) models offer consumers a specialized platform for adding accessory optics to their personal handguns. Engineered to accept six popular styles of competition based optics the M&P C.O.R.E models are easily adapted to meet any demand.Sight not included.