The CMMG MAGAZINE 4.6X30MM 40RD is a game-changer for firearm enthusiasts seeking enhanced performance and capacity. Designed by CMMG, this innovative magazine offers a substantial 40-round capacity while maintaining similar exterior dimensions to most standard 30-round 5.56mm AR magazines, making it a seamless fit for any AR15 lower receiver. Engineered specifically for the 4.6x30mm cartridge, the CMMG FourSix magazine ensures reliable feeding and optimal performance, especially when paired with a CMMG 4.6x30mm upper receiver. This combination transforms your AR15 into a high-capacity powerhouse, perfect for extended range time and tactical applications. The magazine's robust construction and precision engineering reflect CMMG's commitment to quality and innovation, providing firearm enthusiasts with a dependable and efficient solution for maximizing their AR15 magazine capacity. Whether you're a seasoned shooter or a newcomer to the world of firearms, the CMMG MAGAZINE 4.6X30MM 40RD offers an unparalleled shooting experience, enhancing both accuracy and convenience. With its UPC 810046236253 and MPN 46AFC8F, this magazine is a must-have addition to any AR15 setup, ensuring you are always prepared for any shooting scenario. Embrace the future of firearm technology with the CMMG FourSix, and experience the difference in performance and reliability that only a CMMG magazine can deliver.