Magpul Pmag M2 MOE Window 10/30 Round AR15 MagazineMagpul Pmag M2 MOE Window 10 30 Round Magazine Capacity 10 Rounds Caliber 5. 56x45 Nato . 223 Remington Colors Black Rounds are not visible in the window when loaded to 10 rounds. The orange spring coil capacity indicator is visible in the window. Note This magazine has been permanently modified to 10 round capacity for restricted capacity states.