Product DescriptionThe Pearce Grip PGG4MF grip frame insert is designed to fit into the bottom rear cavity of select Glock Gen4 and Gen5 mid and full size frames using a secure friction fit. By closing off the open cavity, it helps keep debris out of the magazine well for cleaner, more reliable operation. The insert is compatible with a wide range of Glock models and still allows the use of factory interchangeable backstraps for a proper fit and feel.Product Highlights Friction-fit grip frame insert plug for select Glock Gen4 & Gen5 pistols Installs in the bottom rear cavity to help keep debris out of the magazine well Compatible with factory interchangeable backstraps Durable black polymer construction to match common Glock frame finishes Broad model compatibility: 17/18/19/22/23/24/31/32/34/35/37/38/44/45 (Gen4/Gen5)Specs Brand: Pearce Grip Manufacturer Part Number: PGG4MF UPC: 605849200071 Product Type: Grip frame insert (plug) Material: Polymer Color: Black Compatibility: Glock Gen4 & Gen5 models 17/18/19/22/23/24/31/32/34/35/37/38/44/45 Not Compatible With: Glock 20/21/40/41Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.