Glock Slide Backplates › Fire Dept. Image 1 of 1 Fire Dept. $15.99 Light weight anodized aluminum with engraved image. Select Glock model. Model: Select Model 17-41 (GEN 1-5) 43 43x 48 Quantity: Add To Cart Added! Light weight anodized aluminum with engraved image. Select Glock model.