CMMG MK4 / AR15 5.7x28mm 10-Round Magazine

This is a 10-round 5.7x28 CMMG MK4 AR-15 magazine.Compatible with any Mil-Spec AR-15 lower receiver and MK4 Radial Delayed Blowback upper receiver, these CMMG conversion magazines safely feed 5.7x28mm ammunition for reliable operation in any tactical or target shooting environment.Constructed of durable, high-impact polymer with reinforced feed lips, this 5.7x28 AR-15 magazine is built for rugged dependability and lasting service in harsh conditions.Additionally, the CMMG 5.7 AR mag incorporates enhanced texturing that provides a sure grip for lightning-fast reloads.Engraved caliber notations allow for quick, visual round counts on the fly, while last round bolt hold-open functionality makes for clear indication of an empty magazine.With a limited 10-round capacity, this magazine is perfect for use in states with restrictions such as California and New York.Order today and drop targets in confidence with the CMMG MK4 / AR-15 5.7x28mm 10-round magazine from GunMag Warehouse.