This is a Hogue Pistol Grip known as the Rubber Grip, model 26000.
Hogue's Sig P226 Rubber Grip with finger grooves has a cobblestone texture which allows for maximum handgun control and tension flexibility. The nonirritating stippling gives a modern appearance while providing the control and enhanced performance all firearm enthusiasts desire.
Features:
Fits Sig Sauer P226
Soft rubber with finger grooves
Cobblestone texture
Easy to install
