XS Sight Systems Winged Ghost Ring w/Banded Standard Dot White Front Sight Remington 87011001187 Matte Black Standard. Ghost-Ring Shotgun sights provide increased accuracy at extended ranges and fast sight acquisition up close. Wings provide additional protection to ghost ring with stress-proof steel aperture. Adjustable for windage and elevation. Banded Standard Dot Tritium front fits on barrels with diameter between 0.860" and 0.880". Banded front sight allows for front sight adjustment to regulate with any shotgun/load. Specifications for XS Sight Systems Winged Ghost Rifle Scope Rings w/Dot Front Sight: Manufacturer: XS Sight Systems Illumination Type: Tritium Color: Matte Black Fabric/Material: Steel Condition: New Features of XS Sight Systems Winged Ghost Rifle Scope Rings w/Dot Front Sight: Steel Sight With Blued Finish; Mounting Hardware Included; Tritium Front; Snag-Free Design; No Questions Asked Warranty Package Contents: XS Sight Systems Winged Ghost Rifle Scope Rings w/Dot Front Sight Blue Threadlocker &amp Hardware Kit What firearm models does the manufacturer say XS Sight Systems Winged Ghost Rifle Scope Rings w/Dot Front Sight is compatible with? The manufacturer suggests that XS Sight Systems Winged Ghost Rifle Scope Rings w/Dot Front Sight is compatible with Mossberg Model 930 Remington Model 870 Remington Model 1100 Remington Model 11-87 Mossberg Model 500 Mossberg Model 590XS Sight Systems RE-1003-1: Winged Ghost Ring w/Banded Standard Dot White Front Sight Remington 87011001187 Matte Black Standard