The Smith & Wesson M&P9 Shield Plus is a striker-fired 9mm built for concealed carry. It fits the micro-compact category while stepping up capacity over the original Shield, shipping with both a 10-round flush-fit magazine and a 13-round extended magazine. 
 

Key Specifications 

• Brand: Smith & Wesson 
• Model: M&P9 Shield Plus 
• Caliber: 9MM Luger (9x19 PARA) 
• Action: Semi-Auto Striker Fire 
• Capacity: 10/13+1 rounds (includes 2 magazines) 
• Barrel Length: 3.1 inches 
• Overall Length: 6.1 inches 
• Weight: 20.2 oz (1.38 lbs) 
• Finish: Matte Black with Armornite finish 
   

Detailed Features 

The stainless steel slide has an Armornite coating for corrosion resistance. Tritium night sights are standard on this configuration, so low-light target acquisition doesn't require a separate upgrade. The polymer grip is textured for purchase without being abrasive, and the frame is narrow enough to print minimally under most cover garments. Controls are straightforward -- manual thumb safety is not included on this version. 
 

Target Audience 

Primarily a carry gun. New shooters appreciate the manageable recoil and simple manual of arms. Experienced carriers often run it as a backup or off-duty piece. The 3.1-inch barrel keeps the package small, and the 13-round magazine gives it more on-board capacity than most pistols this size. 
 

Usage Scenarios 

• Daily concealed carry with the flush 10-round magazine for the slimmest profile 
• Home defense with the 13-round magazine loaded 
• Range practice where the predictable striker trigger helps build consistent technique

Owner sentiment on the M&P9 Shield Plus is broadly positive, particularly around its size-to-capacity ratio and the inclusion of night sights at the stock price.

The slim profile gets the most consistent praise. Shooters who carry daily note that it disappears under a t-shirt in a way that fuller-size guns don't, and the 6.1-inch overall length stays manageable even with a 13-round magazine.

Ergonomics are generally well-regarded. Most owners find the grip comfortable for extended range sessions, and the texture provides enough purchase without tearing up skin during a full day of carry.

Capacity is a selling point. Moving from the original Shield's 7+1 to 10+1 or 13+1 without much size increase is the specific upgrade most buyers came for, and they're satisfied with the execution.

The night sights draw steady appreciation. Having tritium sights standard rather than optional is a practical choice for a carry gun, and owners mention this often.

Reliability reports are largely clean across a variety of 9mm loads. A few owners noted early break-in feeding hiccups with certain hollow-point loads, but most resolved after 200-300 rounds.

The main recurring criticism is trigger pull weight and reset distance. Some shooters find the take-up longer than preferred, and those with smaller hands mention that slide manipulation under stress takes more effort than with larger-grip pistols. Neither issue is unusual for a sub-compact striker gun, but they're worth knowing before committing.