Black Rain Ordnance AR-15 223Rem/5.56NATO 30 Rounds Rifle Magazine Black 30. 56 NATO/223 Remington AR15/M4/M16 magazine made of advance polymer material. It is a light durable and excellent alternative to the standard M4/M16 USGI aluminum magazine. Sturdy Impact resistance polymer with textured grip. Anti-tilt super follower. Heavy duty non-memory and non-corrosive stainless steel spring. Specifications for Black Rain Ordnance AR-15 223Rem/5.56NATO 30 Rounds Rifle Magazine: Manufacturer: Black Rain Ordnance Color: Black Fabric/Material: Steel Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: AR-15 Package Contents: Black Rain Ordnance AR-15 223Rem/5.56NATO 30 Rounds Rifle Magazine What firearm models does the manufacturer say Black Rain Ordnance AR-15 223Rem/5.56NATO 30 Rounds Rifle Magazine is compatible with? The manufacturer says that Black Rain Ordnance AR-15 223Rem/5.56NATO 30 Rounds Rifle Magazine is compatible with AR-15Black Rain Ordnance MAG30TRUMPFIGHT: AR-15 223Rem/5.56NATO 30 Rounds Rifle Magazine Black 30