XS Sight Systems DXT Big Dot for Walther CCP PPS PPS M2 9 & 40. This night sight manufactured by the experts at XS Sight Systems features a big dot tritium front sight a rapid acquisition rear sight with a vertical tritium stripe and a lower angled sight plan to reduce glare for unobstructed sight picture. The XS Sight Systems DXT Big Dot Sight - Walther requires some filing to form the sight to the dovetail but otherwise it is a drop in-fit and will not require removal of the sight from the dovetail. The XS Sight Systems DXT Big Dot Sight - Walther has a Shallow V-notch rear sight that provides an unobstructed view of the front sight along with a greater field of view down range especially when moving and shooting. Specifications for XS Sight Systems DXT Big Dot Sight - Walther: Manufacturer: XS Sight Systems Gun Make: Walther Gun Model: Walther PPS Fabric/Material: Steel Tritium Additional Features: Big Dot Condition: New Finish: Matte Package Contents: XS Sight Systems DXT Big Dot Sight - Walther Red Threadlocker & Allen Key XS Sight Systems WT-0002S-5: DXT Big Dot for Walther CCP PPS PPS M2 9 & 40