XS Sight Systems DXT Big Dot for Glock Suppressor Height 171922-24262731-3638. The XS Sight Systems DXT Big Dot Pistol Sight is made with a big dot tritium front sight that demands your attention even in high stress and for those with poor eyesight aids in rapidly achieving combat effective hits. To ensure this doesn't create an undo burden on your firearm this is a must-have for all defensive shooters. Installation is a breeze and only requires filing if you want a flawless installation. However installation may require the use of a high-quality sight press or pusher tool. The XS Sight Systems DXT Big Dot Sight - Glock does require a small modification to the dovetail but these sights are compatible with several major pistol makes/models. Also these sights need to be installed by an expert - an accomplished sight user who can safely perform milling and filing to achieve a perfect fit. Trust the XS Sight Systems DXT Big Dot Glock Night Sight to provide you with the best shooting performance possible. Specifications for XS Sight Systems DXT Big Dot Sight - Glock: Manufacturer: XS Sight Systems Gun Make: Glock Gun Model: Glock 17 Glock 36 Glock 38 Glock 33 Glock 27 Glock 32 Glock 31 Glock 23 Glock 19 Glock 24 Glock 34 Glock 35 Glock 22 Glock 26 Color: Black Sight Style: Suppressor Height Fabric/Material: Steel Tritium Additional Features: Big Dot Condition: New Finish: Matte Package Contents: XS Sight Systems DXT Big Dot Sight - Glock Red Threadlocker & Allen Key XS Sight Systems GL-0004S-5: DXT Big Dot for Glock Suppressor Height 171922-24262731-3638