Pearce Grip Enhancers New Style For Glock 20 and 21. OpticsPlanet is an Authorized US Distributor for Pearce Grip Gun Parts. The PG-2021 Grip Enhancer is specifically designed to fit the Glock 20 and 21. This has an indentation that will accommodate your magazine well plate. The notch can be molded to fit your particular frame. This allows the shooter to get a positive grip on the pistol and also provides added surface area for a better grip while reducing or eliminating slip. Constructed from reinforced hi-impact Poly-Aceter plastic the PG2021 Glock Handgun Enhancer is a must for the new generation of polymer framed handguns that are based on the polymer frame. Specifications for Pearce Grip Grip Enhancers New Style Glock 20 and 21 PG-2021: Caliber: 10mm ACP/.45 ACP For: Glock 20 21 Package Contents: Pearce Grip PG-2021 Grip Enhancers New Style Glock 20 and 21 We offer the complete line of Pearce Grip Gun Parts. For our complete selection of products by Pearce Grip on sale please visit our Pearce Grip page. For more Gun Parts please visit our Gun Parts store section.