SKU: MGSW19441
UPC: 022188127911
The Smith & Wesson M&P 40 S&W/.357 SIG 10-round magazine is a factory-original, OEM replacement and spare capacity option built to exacting Smith & Wesson specifications. Designed specifically for the M&P compact and full-size platforms chambered in .40 S&W and .357 SIG, this magazine delivers reliable round feeding and retention critical to duty, training, and competitive applications where magazine performance directly impacts mission success.
The 10-round capacity offers compliance flexibility for jurisdictions with magazine restrictions while maintaining the proven reliability of Smith & Wesson's steel-body construction paired with a polymer base plate and polymer follower. Steel bodies resist deformation under repeated load cycles and abuse typical of range duty and patrol use. The polymer follower reduces wear on the magazine body during cycling, while the polymer base plate absorbs impact energy and extends service life. These materials work together to deliver consistent round placement and chambering across thousands of cycles—critical factors for operators who rely on zero malfunctions.
This magazine serves law enforcement, military personnel, armed security professionals, and serious civilian shooters who operate M&P .40 S&W or .357 SIG platforms. Spare magazines are essential for duty rigs, vehicle loadouts, range bags, and training scenarios where magazine rotation prevents premature wear. Officers and federal agents familiar with M&P ergonomics and controls benefit from dedicated factory magazines that require no break-in period and maintain zero compatibility questions across departmental or team equipment.
Smith & Wesson's M&P line remains the standard-issue platform for federal law enforcement agencies and major metropolitan departments. Factory OEM magazines ensure that users purchasing spares or replacements receive the same component quality and tolerances as their original equipment, eliminating concerns about knockoff or aftermarket fitment issues that can introduce functional risk in defensive or duty applications.
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