Thumb Rest smooth 7 locking screws to hold

7 locking screws to hold the head very securely to the extension

The sliding dovetail has a flat machined on it to give the factory locking screw a better hold

1875 increments of adjustment

for at least an hour

This Lens Spanner tool makes it easier to remove and replace the glass form the protective lens

Thumb Rest smooth 7 locking screws to holdThis Thumb rest is designed for maximum adjustability, it mounts to a standard 5 hole pattern . 375 on center. I've added a hole in between each of the other ones to allow for . 1875 increments of adjustment. It can be mounted directly to a wide dust cover frame or added to a optic mount. The pad sits at a 45 degree angle for a comfortable and positive thumb position. It is smooth so you can add grip tape or leave it the way it is. Fully machined from