Built in partnership with Blade-Tech, and tested in the field by Viking Tactics, the 5.11 M&P ThumbDrive Holster is specifically sized and contoured for the Smith & Wesson M&P sidearm. Designed to be the fastest-drawing and most secure Level II Holster on the market, the 5.11 M&P ThumbDrive Holster features exclusive single-thumb activation release for a quick and natural release. A strengthened retention system and our removable Chop-Block switch guard significantly increase retention capabilities, and the entire Holster unit can be fully customized with 5.11 Thigh Rig and Drop/Offset kits (sold separately), giving you completely personalized placement for unbeatable draw efficiency. Fit up to 2.25in belts.