The SERPA Level 3 Tactical Holster is our highest level of function, retention and security. It's perfect for high-threat environments and tactical operations. The drop-leg configuration is an ideal holster location. The thumb-activated pivot guard and SERPA Auto-Lock release secures the weapon at Level 3 retention, releasing only when the buttons are depressed during the draw cycle. LEVEL 3 RETENTION - Thumb-activated Pivot guard gives highest level of weapon security, won't lock while pistol is unholstered LEVEL 2 RETENTION - SERPA Auto Lock solidly secures firearm, only releases during draw cycle LEVEL 1 RETENTION - Passive retention detent adjustment screw aids in weapon retention RELIABLE - Full-length holster body protects rear sights VERSATILE - Flexible thigh platform conforms to leg size CONVENIENT - Y-harness suspension system distributes weight evenly, keeping holster vertical and enabling use of pants pocket ACCESSORIES - Mounting points for pouches, knives, mag cases, etc. MODULAR - Fits all BLACKHAWK! injection-molded platforms