The TSeries is an outside the waistband holster with a lowprofile design compatible with slidemounted reddot optics. Featuring a thumbactivated retention utilizing Master Grip Principle polymer construction provides protection with minimal bulk while the lowfriction internal material creates a smooth effortless draw with sounddampening lining for stealthy drawing and reholstering. The L2C series is a non light bearing. Fits Glock 1719222331324547 w TLR 78 not Gen 5 .40 Cal.