Multi-fit - Omnivore holsters fit more than 150 styles of semi-automatic handguns with an accessory rail; Active Retention Mechanism - Ergonomic thumb-activated retention mechanism delivers instant firearm access; Level 2 Retention uses two features to hold handgun securely in place; Free-Floating Design - Holster locks onto Rail attachment Devise, doesn't wear firearm' frame and finish; 3-Position Adjustable Release - Height of thumb-activated retention mechanism adjusts to fit your hand; Right Hand