Black Rain Ordnance 1st Amendment AR Magazine 5.56x45 30/rd 7F50230C IR. 56x45 30/rd 7F50230C: Manufacturer: Black Rain Ordnance Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO Gun Model: AR-15 Gun Type: Rifle Quantity: 1 Included Accessories: Standard Features of Black Rain Ordnance 1st Amendment AR Magazine 5.56x45 30/rd: Magazine 30rd Second Amendment Package Contents: Black Rain Ordnance 1st Amendment AR Magazine 5.56x45 30/rd What firearm models does the manufacturer say Black Rain Ordnance 1st Amendment AR Magazine 5.56x45 30/rd 7F50230C is compatible with? The manufacturer suggests that Black Rain Ordnance 1st Amendment AR Magazine 5.56x45 30/rd 7F50230C is compatible with AR-15Magazine Second Amendment IRBROMAG301STAMEND