Looking for mags to pair with your Radial Delayed Blowback 9mm. These Gen II 9mm magazines are designed specifically for MK4/AR-15 lower receivers when paired with a CMMG 9mm Radial Delayed Blowback upper. Featuring a 10-round capacity and the iconic CMMG styling, these mags offer reliable performance and seamless compatibility. Perfect for maximizing your shooting experience, they combine functionality with a sleek, recognizable design. Exterior dimensions match standard 5.56x45mm AR-15 magazines for seamless compatibility with existing mag pouches and carriers