Savior Equipment 3 Slot Pistol Mag Holder OD Green 6.25 x 5.8. How do we know? We actually fitted all the pistol mags you can think of when we made it. Fits 2 standard capacity pistol magazines or two single stack pistol magazines in one slot. Hook backed panel allows for easy attachment onto a loop panel that allows for a modular set up. Specifications for Savior Equipment 3 Slot Pistol Mag Holder: Manufacturer: Savior Equipment Height: 6.25 in Width: 5.8 in Package Contents: Savior Equipment 3 Slot Pistol Mag Holder Savior Equipment MP-TNS-PISXTRP-OG: 3 Slot Pistol Mag Holder OD Green 6.25 x 5.8