Savior Equipment AR-10/.308 Double Rifle Mag Holder Dark FDE 5.8 H x 3.75 W. How do we know? We fitted all the AR-10 mags you can think of when we made it. Specifications for Savior Equipment AR-10/.308 Double Rifle Mag Holder: Manufacturer: Savior Equipment Height: 5.8 in Width: 3.75 in Features of Savior Equipment AR-10/.308 Double Rifle Mag Holder FEATURES: - Magazine Pouch for 2 AR10/.308 Rifle Mag - Hook Backed Panel to Attach on Loop Panel - Imported Package Contents: Savior Equipment AR-10/.308 Double Rifle Mag Holder Savior Equipment MP-TNS-AR10XDUO-TN: AR-10/.308 Double Rifle Mag Holder Dark FDE 5.8 H x 3.75