RUGER MARK I grips (net) screw a screw is included

a screw is included

release button

as these frames tend to vary

If your gun has the earlier (Pre-2017) frame with the beavertail that is curved upward and having the "keyhole" shaped mag release button these will fit your gun

The checkering is fine and sharp

RUGER MARK I grips (net) screw a screw is includedThese grips fit Ruger model Mark I, Standard and Mk I Target WITHOUT the A 100 frames (A 100 frames can use the Mk II grips). You should check your gun to ensure you DON'T have an A 100 frame as mark "Mk I" uppers are present on A 100 frames; you can do so by removing the left grip panel and looking for an "A 100" stamp on the area under the grip panel. These grips WILL NOT fit the A 100 frame, and you should select a Mk II grip set if you have an A