The Concealment Express Ambidextrous, IWB/OWB MRD Magazine Holster allows you carry your spare mag with you at all times. Extremely versatile with mounting holes on both sides to accommodate your preferred carry position for either IWB/OWB Carry and Right Hand/Left Hand Draw. Mag Holster comes fully assembled for RH IWB Carry, but is easily reconfigurable with just a phillips screwdriver. The MRD magazine holsters come with a 1.5" Belt Clip. MRD Mags are universal for the caliber and round configuration (single stack vs. double stack). Mag Retention is easily adjustable via the Allen Key on the MRD which puts pressure on the flat side of your mag.FeaturesIWB or OWB carryRight hand or left hand drawEasily adjustable Puts pressure on the flat side of your magComes with 1.5" belt clipLifetime warranty