The Smith & Wesson M&P9 Shield Plus is a striker-fired 9mm micro-compact pistol chambered in 9mm Luger, with a 3.1-inch barrel, 6.1-inch overall length, and 20.2 oz weight. It includes two magazines: a 10+1 and a 13+1. The matte black Armornite finish covers the stainless steel slide; the polymer frame is textured for grip retention. 
 

Key Specifications 

• Brand: Smith & Wesson 
• Model: M&P9 Shield Plus 
• Caliber: 9MM Luger (9x19 Para) 
• Action Type: Striker Fired 
• Capacity: 10+1 / 13+1 rounds (2 magazines included) 
• Barrel Length: 3.1 inches 
• Overall Length: 6.1 inches 
• Weight: 1.3 lbs (20.2 oz) 
• Sights: White Dot / 3-Dot 
• Finish Color: Matte Black 
   

Detailed Features 

• Ergonomic Polymer Grip: Textured panels provide grip retention without being rough during extended use. 
• Striker-Fired Action: Consistent trigger pull with each shot. 
• Dual-Magazine Capacity Options: 10-round and 13-round magazines included; the 13-round option adds rounds without meaningfully increasing the gun's size. 
• Armornite Matte Black Finish: Applied to the stainless steel slide; resists corrosion and wear. 
   

Usage Scenarios 

1. Concealed carry under typical clothing; the 6.1-inch overall length and 20.2 oz weight are practical for IWB carry. 
2. Sport shooting where manageable recoil and quick follow-up shots matter. 
3. Personal protection at home or while traveling, with flexible magazine capacity.

The M&P9 Shield Plus is consistently well-reviewed for concealed carry use. The slim build and light weight make it comfortable for daily carry, which is the primary reason most owners choose it. The capacity improvement over older single-stack compact pistols, 10+1 or 13+1 without a significant size increase, comes up frequently as the deciding factor.

Grip ergonomics get good marks for fitting a range of hand sizes. The gun runs reliably across most 9mm ammunition, and accuracy at defensive distances is consistently rated well.

Factory sights get mixed reactions. White dots are functional but some owners prefer night sights or fiber optics and upgrade promptly. The trigger pull is the most common criticism: some owners accept it, others find it heavier or longer than they'd like and look at aftermarket options. Holster selection is a minor recurring practical issue due to the specific frame dimensions. Aftermarket support is solid given the model's popularity.