CMMG Mk4/AR15 5.56MM Rifle Magazine Black 30. 56 magazines have become too basic for you then give these 30rd flat dark earth color magazines a try. Made to the same exacting standards as our other AR15 pattern magazines the CMMG 30rd 5.56mm FDE magazine stands up to the elements with its advanced polymer construction and makes use of its uniquely CMMG style to enhance grip traction in adverse conditions. The red anti-tilt follower provides a positive visual indicator when your mag runs dry and ensures smooth feeding. Raised dot stippling and 360 re-enforcement bands guarantee you've got a grip when swapping magazines. Specifications for CMMG Mk4/AR15 30 Rounds Rifle Magazine: Manufacturer: CMMG Color: FDE Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: 5.56mm Gun Make: CMMG AR Platform Gun Model: CMMG Mk4 AR-15 Package Contents: CMMG Mk4/AR15 30 Rounds Rifle Magazine What firearm models does the manufacturer say CMMG Mk4/AR15 30 Rounds Rifle Magazine is compatible with? The manufacturer suggests that CMMG Mk4/AR15 30 Rounds Rifle Magazine is compatible with AR-15 CMMG Mk4CMMG 55AFC5B-FDE: Mk4/AR15 5.56MM Rifle Magazine Black 30