The T-Series is an outside the waistband holster with a low-profile design compatible with slide-mounted red-dot optics. Featuring a thumb-activated retention utilizing Master Grip Principle; polymer construction provides protection with minimal bulk while the low-friction internal material creates a smooth, effortless draw with sound-dampening lining for stealthy drawing and re-holstering. The L2C series is a non light bearing. Fits- Glock 19/23/26/27/32/33/45, not Gen 5 .40 Cal.