Gain a glowing point of aim to boost your precision and target acquisition speed by installing this XS Sight Systems XS DXT2 Big Dot Night Sight - Glock. XS Sight Systems built these Pistol Sights with a tritium dot and bar that illuminate without the need for batteries or an external power source. The optic orange color used in this XS Sight Systems XS DXT2 Big Dot Orange Glock 42 & 43 Night Sight Set provides a high-contrast sight picture for daytime shooting while still remaining easily visible in darker environments. Greatly improve your aim and nighttime shooting skills with the help of the XS Sight Systems XS DXT2 Big Dot Night Sight - Glock. Specifications for XS Sight Systems DXT2 Big Dot Night Sight - Glock: Manufacturer: XS Sight Systems Gun Make: Glock Color: Black Sight Style: V-Notch Fabric/Material: Steel Gun Type: Pistol Height: 1.15 in Illumination Type: Tritium Illumination Color: Green Additional Features: Big Dot Included Accessories: Red Threadlocker, Allen Key, & Hex Front Sight Tool Condition: New Length: 7.35 in Width: 4.9 in Features of XS Sight Systems DXT2 Big Dot Night Sight - Glock Big Dot - Remains visible under stress when focus is drawn downrange. Outside diameter 0.188" Front Sight - High-contrast color designed for maximum visibility in bright to low light Glow Dot - Convex photoluminescent dot absorbs ambient light and glows in low light levels Tritium Powered Front & Rear Sight - Beta emitting lamps glow in low light to aid in sight alignment V-Notch Rear - Low-profile V provides greater visibility of objects downrange of front sight Dot-the-"i" Sight Picture - Straight line sight picture with differentiated front and rear sight prevents shooters from confusing the front and rear sight Rear Sight White Outline - Aids in rear sight identification for proper sight alignment Rear Sight Ledge - Aids in one-handed slide manipulations 10 Year Warranty - No Questions Asked night sight warranty Fits in common holsters Package Contents: XS Sight Systems DXT2 Big Dot Night Sight - Glock