XD OSP 4" SLIDE ASSEMBLY CTC CRIMSON TRACE CTS-1500 Manufacturer Model Number: XD4903 Manufacturer: Springfield Armory Model: XD OSP Slide Type: Accessory-Slides Item Type: Accessory Finish: Black Melonite Finish Sights: High Fiber Optic/U-Notch Rear Shipping Weight: 0.95 Feature: Fits Full-Size XD Frame Feature: Includes Optics Plate Feature: CTS-1500 Red Dot Sight Optic Adjustable Objective: false Optic Reticle Illuminated: false