Features: Highest capacity mid-cap magazine on the market as of today! Large capacity compared to standard M4 magazine designs Gives your AR platform a unique, aggressive look! Inspired by 7.62 chambered AR-15 rifles! No modification needed to achieve the AR-47 / 7.62 chambered M4 look! simply reload and you're ready to go! Works on all M4 Marui specification AEG magazine AEG rifles. Compatibility may vary based on various brands. High-strength internal spring for smooth, reliable feeding and performance. Integrated dot-matrix on the lower sides of the magazine great for marking the mag number or various other notations Waffle textured exterior promotes positive grip on the magazine surface Made from high-strength polymer for longevity and durability Are you tired of using the same old M4 magazines? Do you want something unique to make your AR stand out? If so, then look no further than the M4-AK300 AEG magazines by EMG. These AK-styled curved mags add a touch of aggressive styling to AR platforms. The sleek curved design allows for a larger ammo capacity compared to standard M4 style mags yet still remains relatively compact to keep handling and reloads nice and tidy. Each magazine is made from a study, high-strength polymer material designed to withstand the rigors and abuses of long days on the field where they'll see lots of reloads and even the inevitable drops and tumbles. The exterior of the magazines are waffle-textured to provide a positive grip surface, further improving handling, and also feature a handy dot-matrix window on the lower sides for easy identification and notation. If you're looking for a unique M4 AEG mag that provides plenty of ammo and the durability to go along with it, then look no further than the EMG M4-AK300 curved magazines.