Amend2 Mod-3 Magazine AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Black 1 Pack Polymer 30RD. Specifications for Amend2 Mod-3 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round 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 Features of Amend2 Mod-3 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Magazine 5.56/.223 compatibility Sturdy impact-resistant polymer with textured grip 4 way anti-tilt self-lubricating follower Heavy-duty non-memory and non-corrosive stainless steel spring Material able to cerakote and laser Package Contents: Amend2 Mod-3 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Magazine What firearm models does the manufacturer say Amend2 Mod-3 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Magazine is compatible with? The manufacturer suggests that Amend2 Mod-3 AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Magazine is compatible with AR-15 M4 M16Amend2 556MOD3BLK30-30RD: Mod-3 Magazine AR-15/M4/M16 5.56x45mm NATO/.223 Remington 30 Round Black 1 Pack Polymer