Timber Creek Outdoors(R) Magazine Extension Plate is designed for compatible Glock 17 and Glock 19 Gen4 and Gen5 magazines. The component features aluminum construction with a black finish and installs at the base of a compatible magazine. It provides a purpose-built magazine accessory for supported Glock applications.Key Features Designed for compatible Glock 17 and Glock 19 magazines Compatible with Gen4 and Gen5 applications Magazine extension plate configuration Aluminum construction Black finishTimber Creek Outdoors(R) manufactures firearm components and accessories for a variety of popular firearm platforms. The company produces precision-machined components with an emphasis on durable materials functional design and consistent fit. Timber Creek Outdoors products are available in a variety of configurations and finishes.