The T-Series L2C Light Bearing 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. Fits Sig P320 9/.40 , M17/M18 w/TLR 7/8.