BlackHawk Double Magazine Case 9mm/.40 cal/.45 cal/10 mm/.357 Sig Matte Black Plastic Double Stack. An adjustable belt-clip hook accommodates belts of different widths. Specifications for BlackHawk Double Mag Cases: Manufacturer: BlackHawk Color: Black Finish: Matte Fabric/Material: Plastic # of Mag Pouch Compartments: 2 # of Mags Held in Each Compartment: 1 Hand: Ambidextrous Caliber: .357 SIG 9mm Luger .40 S&W .45 ACP 10mm Auto Fastener/Closure Type: Tension Screw Condition: New Attachment Type: Belt Loop/Slot Belt Clip/Hook Features of Blackhawk Double Mag Holster: Now twice the capacity of Blackhawk single mag pouch with the same great tension spring for different width magazines Includes both belt loops and belt clip Adjustable hook for different width belts on the belt clip Curved to waist line for slimmer profile Staggered column magazine version Package Contents: Blackhawk Double Mag Cases We carry a complete line of Blackhawk Pouches. For our complete selection of products by Blackhawk Tactical on sale please visit our Blackhawk Tactical page. For more Pistol Magazine Pouches please visit our Pistol Magazine Pouches store section. BlackHawk 410610PBK: Double Magazine Case 9mm/.40 cal/.45 cal/10 mm/.357 Sig Matte Black Plastic Double Stack