1791's Mag-F Double Stack Mag Carrier Is Designed With Adaptability In Mind. Fitted With a Retention Screw, The Mag-F Allows You To Adjust The Retention Of The Holster To Your Preference. This Allows You To Use Different Single And Double Stack magazines In The Same Carrier. Type: Double Mag Holder Color: Brown Material: Leather Model: MAGF Mount Type: Belt Loop Compartments: 2