Smith & Wesson M&P Shield Plus
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Smith & Wesson M&P Shield Plus
The Smith & Wesson M&P Shield Plus is a striker-fired, sub-compact pistol chambered in 9mm Luger, designed specifically for concealed carry applications. Introduced in 2021, the Shield Plus represents Smith & Wesson's evolution of their successful Shield platform, addressing the primary criticism of the original model's limited magazine capacity.
The Shield Plus significantly improved upon its predecessor by nearly doubling the magazine capacity from 7+1 to 13+1 rounds while maintaining the slim profile that made the original Shield popular among concealed carriers. This pistol features a 3.10-inch barrel, weighs 20.20 ounces, and measures 6.10 inches in overall length, positioning it as a high-capacity option in the competitive sub-compact market.
History and Development
Smith & Wesson developed the M&P Shield Plus as a direct response to market demands for higher-capacity concealed carry pistols without sacrificing concealability. The original M&P Shield, launched in 2012, had established itself as a dominant force in the single-stack sub-compact category, but its 7+1 and 8+1 capacity options were increasingly viewed as limiting compared to emerging micro-compact designs.
The Shield Plus project began as Smith & Wesson recognized the industry shift toward higher-capacity micro and sub-compact pistols. Companies like Sig Sauer with the P365 and Springfield Armory with the Hellcat had demonstrated that shooters wanted maximum ammunition capacity in minimal packages. Rather than develop an entirely new platform, Smith & Wesson chose to leverage the proven ergonomics and reliability of the Shield design while engineering a wider magazine well and frame to accommodate a double-stack magazine.
The 2021 launch of the Shield Plus coincided with Smith & Wesson's broader strategy to modernize their M&P line with enhanced features and improved manufacturing processes. The development team focused on maintaining the original Shield's proven trigger system and overall handling characteristics while incorporating lessons learned from nearly a decade of user feedback.
Design and Mechanism
The M&P Shield Plus operates on a striker-fired system with a pre-cocked striker that requires trigger pull to complete the firing sequence. The action utilizes a pivoting trigger safety and incorporates Smith & Wesson's articulated trigger design, which provides a consistent pull weight and clean break without the need for a manual safety.
The frame construction uses Smith & Wesson's reinforced polymer with an embedded stainless steel chassis that houses the fire control components and provides structural integrity. The slide is machined from stainless steel with a black Armornite finish for corrosion resistance and reduced glare. The barrel features conventional rifling with a 1:10 twist rate optimized for standard 9mm ammunition weights.
The pistol's grip texture utilizes an aggressive stippling pattern that provides secure purchase without being overly abrasive against clothing during concealed carry. The grip angle follows Smith & Wesson's established M&P geometry, which positions the pistol naturally in most shooters' hands for instinctive point-of-aim.
Controls include an ambidextrous slide stop and a reversible magazine release positioned for operation by the firing hand thumb. The trigger guard is undercut to allow a higher grip position, and the frame features integral rail sections forward of the trigger guard for accessory mounting.
The trigger system employs a flat-faced trigger design that many shooters find provides better finger placement and more consistent trigger control compared to curved trigger faces. The trigger pull weight averages 5.5 to 6.5 pounds with approximately 0.25 inches of travel.
Specifications
Specification Value Caliber 9mm Luger Action Striker-fired Capacity 13+1 rounds Barrel Length 3.10 inches Overall Length 6.10 inches Height 4.6 inches Width 1.1 inches Weight 20.20 oz Sights White dot front, white outline rear Feed System Detachable box magazine Frame Material Polymer with steel insert Slide Material Stainless steel Finish Black Armornite Trigger Pull 5.5-6.5 lbs Variants and Models
The M&P Shield Plus is available in several configurations to meet different user preferences and legal requirements. The standard model includes the features described above with white dot sights and comes with both 10-round and 13-round magazines.
M&P Shield Plus Thumb Safety variants include a frame-mounted manual thumb safety for shooters who prefer this additional control or jurisdictions that require it. The safety is ambidextrous and blocks the trigger bar when engaged.
M&P Shield Plus Ported models feature barrel and slide porting designed to reduce muzzle rise during rapid fire. These variants are primarily marketed to competitive shooters and those who prioritize faster follow-up shots.
Optics Ready configurations include slide cuts compatible with popular micro red dot sights, specifically designed to accommodate the Shield RMSc footprint. These models ship with cover plates that can be removed for optic installation.
Limited capacity variants with 10-round magazines are manufactured for compliance with various state regulations that restrict standard capacity magazines.
Military and Law Enforcement Use
The M&P Shield Plus has seen limited adoption among law enforcement agencies, primarily as a backup or off-duty weapon rather than a primary service pistol. Several federal agencies have approved the Shield Plus for off-duty carry by agents who prefer higher capacity than the original Shield offered.
Some police departments have adopted the Shield Plus as an optional backup gun, particularly for plainclothes officers who require maximum concealability. The pistol's reliability and parts commonality with other M&P models make it administratively attractive for agencies already using Smith & Wesson pistols.
Military use has been minimal, as most military applications favor full-size service pistols or specialized weapons for particular roles.
Civilian Use and Applications
The primary civilian application for the M&P Shield Plus is concealed carry for personal protection. The pistol's slim profile, relatively lightweight construction, and 13+1 capacity make it attractive to concealed carry permit holders who want maximum ammunition capacity in a readily concealable package.
The Shield Plus has found acceptance in competitive shooting disciplines, particularly in Production divisions where its capacity and ergonomics provide advantages. IDPA competitors frequently choose the Shield Plus for Enhanced Service Pistol division, where sub-compact pistols compete against each other.
Aftermarket support for the Shield Plus includes holsters from virtually every major manufacturer, with options ranging from inside-the-waistband concealment holsters to duty-style outside-the-waistband rigs. Night sights, extended magazine releases, and aftermarket triggers are readily available.
Common modifications include sight upgrades to tritium night sights or fiber optic units, trigger improvements for competitive use, and grip modifications such as extended magazine bases or grip sleeves. The integral accessory rail accommodates compact weapon lights from manufacturers like Streamlight and SureFire.
Reloading enthusiasts find the 9mm chambering economical for practice ammunition, and the pistol functions reliably with bullet weights from 115 to 147 grains, making it suitable for both practice and defensive ammunition types.
Cultural Impact
The Shield Plus represents Smith & Wesson's successful adaptation to changing market demands in the concealed carry segment. Its introduction demonstrated that established manufacturers could respond effectively to innovative competitors while leveraging existing design strengths.
The pistol has influenced other manufacturers to increase capacity in their sub-compact offerings, contributing to an industry-wide trend toward higher-capacity concealed carry pistols. This shift has largely moved the market away from single-stack designs that dominated the category throughout the 2010s.
In firearms training circles, the Shield Plus has become a frequent recommendation for new concealed carry permit holders due to its combination of manageable recoil, adequate capacity, and extensive holster availability. Many firearms instructors consider it representative of modern concealed carry pistol design.
The success of the Shield Plus reinforced Smith & Wesson's position in the civilian concealed carry market and demonstrated the value of evolutionary rather than revolutionary design approaches when executed effectively.
See Also
Read the original article in The Handbook
Join the Discussion
If you're carrying a Shield Plus, how's that 13-round capacity treating you compared to other subcompacts—does it actually feel like a meaningful difference, or is it just a nice-to-have?
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