Alien Gear Holsters Single Cloak Mag Carrier 9 mm/.40 caliber Double Stack Black. These Pistol Magazine Pouches by Alien Gear Holsters contain a removable neoprene backer so switching between IWB and OWB carry has never been easier. Security of your magazines is a top priority which is why these Alien Gear Concealable Mag Carriers come with adjustable retention levels so that you can choose how easy or difficult removing the magazine is. Get your Alien Gear Single Cloak Magazine Holster today to experience how comfort customization and security can blend so beautifully. Specifications for Alien Gear Holsters Single Cloak Mag Carrier: Manufacturer: Alien Gear Holsters Color: Black Gender: Male Package Contents: Alien Gear Holsters Single Cloak Mag Carrier Alien Gear Holsters CMCS-4-D: Single Cloak Mag Carrier 9 mm/.40 caliber Double Stack Black