Timber Creek Outdoors(R) Magazine Extension Plate is designed for compatible Glock 17 and Glock 19 Gen 4 and Gen 5 magazines. The extended base plate features aluminum construction with a Tungsten finish and provides additional gripping surface at the base of the magazine. It is designed as a replacement magazine component for compatible Glock magazines.Key Features Designed for compatible Glock 17 and Glock 19 magazines Compatible with Gen 4 and Gen 5 configurations Aluminum construction Extended magazine base plate design Tungsten 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.