Smith & Wesson M&P 9 Magazine, 17rd. This magazine is constructed of durable steel, carries a black finish, and is a factory original part from Smith & Wesson. This magazine is made for the M&P 9 model of pistols from Smith & Wesson chambered in 9mm. The magazine has a 17 round capacity, provides reliable feeding, and offers durable construction for a long lasting life. This magazine is perfect for use in an emergency replacement stash and can be great to have in the spare parts chest. This item is proudly made in the USA by Smith & Wesson.