Global Ordnance Magazine AR15 10/20 5.56/.223 Black Small GO-AR15-1020-BLK. 56/.223 Black Specifications for Global Ordnance AR15 5.56/.223 10-Round Magazine: Manufacturer: Global Ordnance Magazine Capacity: 10 Round Caliber: 5.56mm Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Quantity: 1 Package Contents: Global Ordnance AR15 5.56/.223 10-Round Magazine What firearm models does the manufacturer say Global Ordnance AR15 5.56/.223 10-Round Magazine is compatible with? The manufacturer suggests that Global Ordnance AR15 5.56/.223 10-Round Magazine is compatible with AR-15Global Ordnance GO-AR15-1020-BLK: Magazine AR15 10/20 5.56/.223 Black Small