Alien Gear Holsters Holsters Mag Carrier Double 9 mm/.40 Smith & Wesson Double Stack Black. Whether you're holding one or two magazines these Pistol Magazine Pouches by Alien Gear Holsters allow for either outside-the-waistband (OWB) or inside-the-waistband (IWB) carry. What's more the Alien Gear Concealable Mag Carrier allows you to customize retention by simply loosening or tightening the screws. If it's customizable concealable and comfortable then it must be an Alien Gear Double Cloak Magazine Holster. Specifications for Alien Gear Holsters Double Cloak Mag Carrier: Manufacturer: Alien Gear Holsters Color: Black Gender: Male Package Contents: Alien Gear Holsters Double Cloak Mag Carrier Alien Gear Holsters CMCD-4-4-R-15-D: Holsters Mag Carrier Double 9 mm/.40 Smith & Wesson Double Stack Black