This is a Vertx Magazine Pouch known as the M.A.K., model F1 VTX5185 ET NA.
Experience the unique storage options of Vertx(R) Tactigami with the MAK Band Full accessory system. MAK stands for Mags and Kit" meaning the band adapts to secure larger EDC items such as flashlights" tools or knives. Built from Velcro(R) One-Wrap(R)" this accessory pairs with any of the Vertx(R) bags and packs for everyday carry options and ultimate concealment. When attached to a loop panel" the MAK Band Full provides unparalleled organizational capability.
Features:
Sized to fit larger items such as flashlights, tools or knives
Secures items in place with elastic retention
Designed to customize storage in Vertx loop-lined bags and packs
Compatible with other loops surfaces