The Versacarrier magazine holder is our revolutionary design for a spare magazine pouch. It uses the spring space that is left inside of the magazine after full capacity for retention. We proudly make each Versacarrier in the USA. Features: Easy on/off design Minimal bulk, easily one of the smallest, most compact carry devices on the market today Our Zerobulk holster offers 75 percent less bulk than that of a traditional holster Seasonal carry, unique design allows for you to switch between Inside (IWB), or Outside (OWB) Waistband Carry It works off what little spring space is left after a magazine has reached full capacity Easily adjust the screw at the bottom of the Versacarrier to either tighten or loosen the tension at which it draws Designed for use with a standard 1.5 inches wide belt designed for carry Made in the USA Limited lifetime warranty