SME's AR15 magazine carriers are made from .080 kydex. These have adjustable retention using the Mag Retention Device (MRD). They come standard with a Tek Lok for mounting on a belt or mole-lok for attaching to a molle vest.
Right Hand Shooters - Belt mount left side, bullets will be facing to the left.
Molle - Bullets facing to the right.
Left Hand Shooters - Belt mount right side bullets will be facing the right.
Molle - Bullets facing the left.