Kydex Customs Sig MPX Magazine CarrierOur Sig MPX magazine carriers are designed to work with Most Sig MPX Airsoft magazines. Confirmed to fit the APFG X K 30rd gas magazines. These magazine carriers have the option to be mounted onto molle webbing or belts. All magazine carriers can be mounted either way around by swapping the side the mounting system is attached on. The magazine carriers also come with adjustable retention for the ability to tighten or loosen the grip the carrier has on