The ProMag Archangel magazines are designed specifically for use with the Nomad Ruger 10/22 stock systems. The magazines constructed of carbon fiber reinforced polymer for lightweight and durability. These magazines have a sleeve that looks just like an HK G36 magazine, but will feed a stock 10/22 or a Nomad stocked 10/22. The 10 round magazine has a capacity of 10-rounds and is only extended in appearance.