This type of holder uses special patented (EP 1604587, United States Pat.: 7.380.692, RU Pat.: 2352233) fastening clip of the type UBC-01, which enables its rapid insertion on a belt with one hand only and without necessity of unbuckling the belt. To the belt by full circle of 360 degrees with 16 locking positions.Self-locking universal holder is designated for carrying of broader range of double stack mags 9mm for the most frequently used service guns used all over the world – CZ 75 Compact, P-07,P-09 and other... It enables very fast drawing of the mags from the holder. The sophisticated design of the fixation spring will be appreciated not only by armed forces members, but also by shooters of action SHOOTING disciplines.