Amend2 Mod-2 Rifle Magazine AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Black 1 Pack Polymer 30RD. It is a light durable and excellent alternative to the standard M4/M16 USGI aluminum magazine. Specifications for Amend2 Mod-2 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Rifle Magazine: Manufacturer: Amend2 Color: Black Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: M16 M4 AR-15 Condition: New Features of Amend2 Mod-2 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Rifle Magazine Sturdy impact resistant polymer for increased strength Package Contents: Amend2 Mod-2 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Rifle Magazine What firearm models does the manufacturer say Amend2 Mod-2 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Rifle Magazine is compatible with? The manufacturer suggests that Amend2 Mod-2 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Rifle Magazine is compatible with AR-15 M4 M16Amend2 556MOD2BLK30-30RD: Mod-2 Rifle Magazine AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Black 1 Pack Polymer