DeSantis Gunhide M40 Black Mamba Chest Holster Right Hand Black S&W 500 8.5 M40BA05Z0 Leather. Concealment wasn’t an issue and a big revolver was comfortable and accessible in this position. The hunter’s chest holster reached its height of development with the recent Terminator(TM) design by Gene DeSantis. The Black Mamba(TM) carries even the 72 ounce S&W 500 with total comfort and security. Available in black molded nylon. Fully adjustable tension device. Made from black molded nylonMost models feature a fully adjustable tension deviceComfortable chest rig where concealment is not an issue. Every product is packaged carefully for safe travel.