The Smith & Wesson M&P22 Compact Suppressor Ready is a .22 LR semi-automatic pistol with a 3.56-inch threaded barrel, 10+1 capacity, and a polymer frame weighing 15.3 ounces. The single-action striker-fired mechanism and ambidextrous manual safety are standard. 
 

Key Specifications 

• Manufacturer: Smith & Wesson 
• Model: M&P22 Compact Suppressor Ready 
• Caliber: .22 LR 
• Action Type: Semi-Auto (Single Action) 
• Capacity: 10+1 rounds 
• Barrel Length: 3.56 inches (threaded) 
• Overall Length: 6.65 inches 
• Weight: 15.3 ounces (1 lbs.) 
• Frame Material: Polymer with a black finish 
• Sights Type: Adjustable white dot sights 
• Safety Features: Ambidextrous manual safety; magazine safety 
   

Detailed Features 

 
The threaded barrel accepts standard suppressors and muzzle devices without an adapter. At 15.3 ounces, the pistol is light enough that even a moderate suppressor doesn't make it awkward to handle. Adjustable white dot sights can be dialed in for the point-of-impact shift that comes with different suppressor weights. 
 
Ambidextrous controls — manual safety and reversible magazine release — work for left- or right-handed shooters. The magazine safety prevents the pistol from firing without a magazine inserted. A Picatinny-style rail under the dust cover takes lights or lasers. The captured recoil guide rod simplifies disassembly for cleaning.

The M&P22 Compact in the suppressor-ready configuration gets consistent positive feedback for its light weight, low recoil, and how cleanly it pairs with .22 suppressors. New shooters and experienced shooters running training drills both find the handling straightforward.

The trigger draws some criticism — it works but is heavier and less refined than premium .22 pistol triggers. Magazine capacity at 10+1 is below some competing .22 pistols. A handful of owners report early ejection or feeding issues, which tend to clear up with quality ammunition and a break-in period. Aftermarket customization options are limited compared to larger-caliber M&P variants.