These Pachmayr® G-10 pistol grips are made from a fiberglass-based epoxy resin laminate. It is an extremely tough and durable material that is impervious to moisture, weather or chemicals, making it a perfect material for handgun grips. The multiple layered construction allows the use of different colors to be added to the grips, creating attractive patterns as it is machined. Fits the Mark II™ & III™ pistols only. Made by Pachmayr®.