Haley Strategic Partners Micro SMG Quad Mag Insert Black MINS-SMG-2-1-BLK. This unique insert allows any size magazine to be inserted from a smaller MP5 (9mm) style magazine up to a larger Sig MPX style magazine. Hook and loop on both sides provide easy and secure installation. Specifications for Haley Strategic Partners Micro SMG Quad Mag Insert: Manufacturer: Haley Strategic Partners Color: Black Fabric/Material: 500d and 1000d nylon (strategic blend) Magazine Type: Pistol Height: 4.37 in Width: 1 in Fastener/Closure Type: Insert Package Contents: Haley Strategic Partners Micro SMG Quad Mag Insert Haley Strategic Partners MINS-SMG-2-1-BLK: Micro SMG Quad Mag Insert Black