*Patent Pending*Wasatch Arms Compensator Required to Install Thumb Rest*Right-handed thumb rest goes on the left side of the gun Tame Recoil, Improve Speed and Accuracy The adjustable thumb rest allows shooters to effectively overcome recoil, in a big way. This is done by creating a comfortable, spacious contact point for the user to apply direct counter pressure to the pistol's natural recoil path. By reducing the felt recoil the user is given more control over the firearm during discharge. The lower amounts of recoil produced by the thumb rest allow users to maintain a crisp clear sight picture and take faster follow-up shots with quicker target acquisitions. Just put your thumb on the gas pedal and try to keep up! Maximum Grip The Wasatch arms adjustable thumb rest creates more contact surface area for the shooter's support hand which decreases the likelihood of slippage during firearm discharge. The positive slope angle of the thumb rest locks the pistol in place and more evenly distributes grip pressure between both hands ensuring the firearm will remain in place while in use.  Everyone Can Reach The Pedal The Full Throttle Thumb Rest is capable of more than 1.5” of travel allowing it to be easily adjusted to comfortably fit shooters of all hand sizes.  Absolute Precision and Durability Machined from billet aluminum of the highest quality.  The thumb rest will excel even in the most demanding shooting environments. Easy on Easy off It doesn’t get any easier. Tighten a few screws and you're ready to start shooting. No modification to the firearm is required. Just as easily, remove the Thumb Rest to return to stock configuration.   Compatible with: - All Wasatch Arms Smith & Wesson Comps Cerakote Colors: - Black, Burnt Bronze, Gold, Battleship Gray, FDE, Raw Material: 6061 T6 Aluminum Installation Video