BLACKHAWK Omnivore Streamlight TLR Multi-Fit Holster, Streamlight TLR, Belt Holster, Right Hand, Black/Tan, Fits More Than 150 Styles of Semi-Automatic Handguns with Accessory Rail, Hard, Thumb Activated Retention Mechanism 419002BCR Multiple holsters for multiple handguns is no longer an issue. The Blackhawk(R) Omnivore(TM) is a multi-fit holster that accommodates more than 150 styles of semi-automatic handguns with an accessory rail. The active retention mechanism locks onto Blackhawk's proprietary Rail Attachment Device" not the frame of the handgun. A thumb release disengages the locking mechanism when drawing the handgun.