Ammunition Storage Components AR-15 .223/5.56 Aluminum Magazine 5 Round FDE Marlube/Grey Follower. Chrome Silicon Springs Mil Spec Polymer Followers 6061 Aluminum Floor plate Hard-coat Anodized Black Specifications for Ammunition Storage Components AR-15 .223/5.56 Aluminum 5 Round Rifle Magazine: Manufacturer: Ammunition Storage Components Color: FDE Marlube/Grey Follower Finish: Aluminum Fabric/Material: 6061 Aluminum Heat Treated to T6 Condition Magazine Capacity: 5 Round Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: AR-15 Quantity: 1 Condition: New Features of Ammunition Storage Components AR-15 .223/5.56 Aluminum 5 Round Rifle Magazine: Hard Andozide per MIL-A-8625 Type III dyed Black Chrome Silicon Springs Mil-Spec Polymer Followers Package Contents: Ammunition Storage Components AR-15 .223/5.56 Aluminum 5 Round Rifle Magazine What firearm models does the manufacturer say Ammunition Storage Components AR-15 .223/5.56 Aluminum 5 Round Rifle Magazine is compatible with? The manufacturer says that Ammunition Storage Components AR-15 .223/5.56 Aluminum 5 Round Rifle Magazine is compatible with AR-15Ammunition Storage Components 5-223-AL-FDE-G-ASC: 5rd .223/5.56 Aluminum Magazine Marlube with Grey Follower FDE