The Pro-Mag S&W SD40 40S&W 25 Round Magazine is the next magazine you need. Pro-Mag magazines are made in the USA and backed by a lifetime guarantee against manufacturer’s defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality. The Pro-Mag S&W SD40 40S&W 25 Round Magazine is truly a remarkable magazine to use.
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