Shield Arms Mag Well For GLOCK Gen 5 17/22/45 Aluminum Construction Anodized Finish Black. Shield Arms slim-profile aluminum magwell for the Glock 17/22/45 is designed for smoother" faster reloads" and maximum concealability. Specifications for Shield Arms Mag Well For GLOCK Gen 5 17/22/45 Aluminum Construction Anodized Finish Black: Manufacturer: Shield Arms Color: Black Finish: Black Additional Features: Mag Well Condition: New Handle Color: Black Features of Shield Arms Mag Well For GLOCK Gen 5 17/22/45 Aluminum Construction Anodized Finish Black: For GLOCK Gen 5 17/22/45 Package Contents: Shield Arms Mag Well For GLOCK Gen 5 17/22/45 Aluminum Construction Anodized Finish Black