Single Auto retention Mag Carrier - DARACapability: The Dara Automatic retention is just how it sounds, it retains a wide variety of magazines ranging from single stack 1911 to the new double stack micro compacts and back up to the extra large 2011 and double stack 45 magazines. Different magazine lengths are also accommodated with the 3 position adjustable internal depth plate. Durability: We've thrown everything we can at these carriers, literally! They have been beaten with hammers,