The Promag SAR-A2 is a 32-round magazine designed to fit the SAR9 handgun chambered in 9mm. The magazine is constructed from steel and features a blued finish, giving it a black appearance. It's intended to provide SAR9 owners with an extended magazine capacity compared to the standard magazines that come with the handgun.
Promag is a company that specializes in producing aftermarket magazines and accessories for various firearms, including handguns. The SAR-A2 magazine aims to enhance the capacity and usability of the SAR9 pistol.