Arc Division Backplate Pistol Slide Glock 17/19 Gen 3/4 Black. Bead blasted for a more consistent and appealing finish hard coat anodized for a durable finish. Specifications for Arc Division Backplate Pistol Slide: Manufacturer: Arc Division Finish: Hard Coat Anodized Fabric/Material: 6061 Anodized Aluminum Gun Make: Glock Package Contents: Arc Division Backplate Pistol Slide Sticker What firearm models does the manufacturer say Arc Division Backplate Pistol Slide is compatible with? The manufacturer suggests that Arc Division Backplate Pistol Slide is compatible with Glock 19 Glock 17 Glock 43 Glock 43X Glock 48Arc Division 33110: Backplate Pistol Slide Glock 17/19 Gen 3/4 Black