Heckler & Koch, P7 (with 18mm wide mag holder) 
 
Surface:  stippled, laquered
Size:  Standard
Material:  Walnut
Model: P7 (with 18mm wide magazine holder)

The thumb rest provides the shooter with more comfort, particularly when shooting single handed. It provides the additional leverage needed when shooting heavy pistols and prevents the shooter from having a too low a hold on the grip. Thumb rests generally protrude between 5 – 8 mm from the side of the grip. These grips are available in Walnut