Red Laser Sight for Glock Gen 3 & Gen 4 – Picatinny Rail Compatible (17, 19, 20, 21, 22, 23, 31)Achieve faster target acquisition with this Red Laser Sight, designed to mount directly to handguns equipped with a Mil Spec Picatinny rail. Compatible with Glock Gen 3 and Gen 4 full size and compact models, this compact laser provides a clear, visible aiming reference for rapid alignment in low light and daylight conditions. The laser housing is constructed from hard anodized aluminum, offering durability while remaining lightweight and low profile.