The Mec-Gar Smith & Wesson 5900 Series/915/910/659 9mm 17 Round Pistol Magazine MGSW5917B is built to be reliable. Mec-Gar magazines are the most trusted magazines for law enforcement, military, personal defense, sports and tactical pistols. Blued carbon Steel Tube, heat-treated for strength.
- Fits Smith & Wesson 5900 Series/915/910/659 9mm pistols
- Increased 17-round capacity in a flush-fit design. Features US Patent# 5,386,657 which provides two additional rounds without increasing magazine dimensions
- Blued carbon Steel Tube, heat-treated for strength
- Higher tensile music wire spring
- Polymer follower
- Removable steel butt-plate
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