XS Sight Systems Shotrail Ghost Ring & Banded Standard Dot Tritium for Mossberg 500 590 Std Bbl. Rail is constructed from anodized aluminum and is compatible with weaver and Picatinny rings. Ghost ring rear is adjustable for windage and elevation and machined from steel. Standard Dot Tritium with white ring around green tritium allows for visibility of front sight in any lighting condition and dovetails into existing front sight ramp. Buy some ghost ring sights today Specifications for XS Sight Systems Shotrail Ghost Ring & Standard Dot Tritium Shotgun Sights Mossberg: Manufacturer: XS Sight Systems Illumination Type: Tritium Gun Make: Mossberg Gun Model: Mossberg Model 590 Mossberg Model 500 Fabric/Material: Stress Proof Steel Anodized Aluminum Included Accessories: Standard Dot Tritium Ghost Ring Shotrail Mount Type: Rail Features of XS Sight Systems Shotrail Ghost Ring & Standard Dot Tritium Shotgun Sights Mossberg Anodized Aluminum; Steel Sight With Blued Finish; Mounting Hardware Included; No Questions Asked Warranty Package Contents: XS Sight Systems Shotrail Ghost Ring & Standard Dot Tritium Shotgun Sights Mossberg Hardware Kit What firearm models does the manufacturer say XS Sight Systems Shotrail Ghost Ring & Standard Dot Tritium Shotgun Sights Mossberg is compatible with? The manufacturer says that XS Sight Systems Shotrail Ghost Ring & Standard Dot Tritium Shotgun Sights Mossberg is compatible with Mossberg Model 500 Mossberg Model 590 Mossberg Model 930XS Sight Systems MB-4001R-4: SHOTRAIL Ghost Ring & Banded Standard Dot Tritium for Mossberg 500 590 Std Bbl