Rock River Arms LAR-15 .223 Rem/5.56x45mm NATO 30 Rounds Rifle Magazine Black 30. They're constructed from highly durable polymer materials with an anti-tilt follower. These mags have a reputation of proven reliability with floorplate openings allowing them to shed dirt and debris. This is the perfet mag for your AR-15 and will work great in any AR-15 platform rifle. When you need mags that you can count on with each and every shot make sure you turn to Rock River Arms for the win Specifications for Rock River Arms LAR-15 .223 Rem/5.56x45mm NATO 30 Rounds Rifle Magazine: Manufacturer: Rock River Arms Color: Black Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO .223 Remington Gun Make: Rock River Arms Gun Model: Rock River Arms LAR-15M Quantity: 1 Package Contents: Rock River Arms LAR-15 .223 Rem/5.56x45mm NATO 30 Rounds Rifle Magazine What firearm models does the manufacturer say Rock River Arms LAR-15 .223 Rem/5.56x45mm NATO 30 Rounds Rifle Magazine is compatible with? The manufacturer says that Rock River Arms LAR-15 .223 Rem/5.56x45mm NATO 30 Rounds Rifle Magazine is compatible with Rock River Arms LAR-15MRock River Arms 1204286: LAR-15 .223 Rem/5.56x45mm NATO 30 Rounds Rifle Magazine Black 30