ProMag is one of the leading manufacturers of handgun magazines in the world. They carry magazines to fit most popular models - foreign and domestic. Gun enthusiasts and law enforcement personnel have agreed, be it for recreational "plinking", competition shooting, or law enforcement, Promag is the source you can count on.These magazines were expertly machined for exceptional quality and guaranteed to feed and function for every shot. Constructed from heat-treated blued-steel,then tig welded for strength. The springs are precision wound using heat-treated chrome silicon wire. Followers are injection molded from polymers selected for their durability. ProMag magazines include a lifetime guarantee, if you ever have a problem with their magazines; simply return them to ProMag for replacement.Specifications:Manufacturer Number: MOS 01ProMag Mossberg 702 Plinkster Magazine .22 LR 10 Round Blue SteelCaliber:.22 LRCapacity: 10 RoundsBody Material: High Carbon Heat-Treated SteelSpring Material: Heat Treated Chrome-silicon WireFollower Material: PolymerFollower Color: BlackFinish: Blued