Advantages:<br> 1, These fast attached mag pistol pouches are designed to accommodate almost any pistol magazine: from 45 ACP glock 21 magazines to 1911's and most mags in between.It fits AR-15 M4, and not limited for magpul gen 2 P-Mags, for Troy Battle Mags, for USGI 30 Round Aluminum Magazines, for E-Lander 30 Round Steel Magazines, as well as for standard GI magazine. <br> 2,you can turn them into a single spot double mag carrier.It has a very sturdy construction and positive release of magazines not requiring Velcro or bungee fasteners<br> 3,The magazine retention is good and the units themselves are in a nice FDE coloration that matches other very well with only slight variation in color<br> 4,The MOLLE attachment straps work well and they secure themselves in the base plate of the unit. <br> 5,The magazine pouches are wrapped around by thick elastic bands that allows them to expand to accommodate magazines of different sizes and thickness.<br> 6,These Tactical magazine holster provide an interference free draw of your clip. This means NO top security bungee cord required for your clip on your holster, wasting valuable time in the course of reloading<br> 7,The magazine holster is a hardened polymer plastic that is a two piece section bond by two retention bands. These retention bands apply a compression force that incubuses the holster and your magazine clip for a superior hold. <br> 8,The inside of the two side of the holster you will find additional rubber pieces that make the contact to your clip, not the plastic holster. This technology uses friction and compression together to provide a Non-Slip holstering of your magazine, whether you are packing metal jackets or prefer the polymer plastic mags, the result is the same.<br>