ProMag Colt AR-15 .223 Rem/5.56 NATO 42-Round Magazine – AR-15/M16 Platform

The ProMag Colt AR-15 42-round magazine delivers extended capacity for AR-15 and M16 platform rifles chambered in .223 Remington and 5.56 NATO. This high-capacity magazine features a heat-treated steel spring and an anti-tilt follower designed to ensure reliable feeding during extended range sessions.

Constructed from durable polymer with a black finish, this magazine is built to withstand regular use. The extended body profile allows for increased round count while maintaining compatibility with standard magazine wells. Note that this magazine is restricted in states with capacity limits including California, Colorado, Connecticut, Hawaii, Maryland, Massachusetts, New Jersey, New York, Vermont, and Washington D.C.

• Caliber: .223 Remington / 5.56 NATO
• Capacity: 42 rounds
• Compatible Firearms: AR-15, M16, and compatible platforms
• Material: Polymer body
• Finish: Black
• Follower Type: Anti-tilt
• Includes: One 42-round magazine