DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. 1: This is very nice and adjustable MOLLE leg holster, Once you know how to set it up, This is a unique and great holster.with adjustable velcro strap. 2: Retention system with additional velcro strap to secure weapon. Tactical design keeps gun in ready position, fully adjustable for height and tension makes you feel suitable.