ZCI M4 300 rnd High Cap Magazine

These 300 round high caps from ZCI are the best you can get in capacity per cost. In terms of construction they are pretty much your run of the mill ACM high cap, metal exterior, plastic internals, wheel on the bottom all the normal stuff. They come in a dark earth green and have a good fit and finish.





Specifications:
Fit: M4 series and variants
Type: High Cap
Capacity: 300 (manufacturer spec)
Top of mag to top of mag catch slot: 8.48 mm (for those guns that are finicky about mags)