This is a factory Smith & Wesson magazine for the 5900 series 9mm pistol, 15 round capacity.
It fits models 59, 459, 659, 910, 915, 5903, 5904, 5906, 5923, 5924, 5926, 5943, 5944, and 5946.
*Note: Picture is not accurate, these are used magazines with black followers.
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