The Ruger Security-9 Compact is a 9mm semi-automatic pistol with a 3.42-inch barrel and DAO action. The polymer frame with a black oxide slide finish keeps the package light at 22.5 oz, and the 10+1 magazine capacity is standard for this size class. 
 

Key Specifications 

• Manufacturer: Ruger 
• Model: Security-9 Compact 
• Caliber: 9mm Luger (9x19 Para) 
• Action: Double Action Only (DAO) 
• Barrel Length: 3.42 inches 
• Overall Length: 6.52 inches 
• Weight: 22.5 oz (1.4 lbs) 
• Capacity: 10+1 rounds 
• Sights: Fixed Front / Drift Adjustable Rear 
• Grip Material: Black Hogue Beavertail Grip Sleeve 
• Safety Features: Manual Trigger Safety 
   

Detailed Features 

 
The Hogue beavertail grip sleeve wraps the polymer frame and gives a more secure hold than bare polymer, which shooters with medium to large hands tend to appreciate. The DAO trigger delivers a consistent pull without a manual safety to manage. 
 
The drift-adjustable rear sight means you can correct windage without replacing the whole sight. The polymer frame with a black oxide slide keeps weight low -- at 22.5 oz it's lighter than a lot of comparable 9mm compact pistols. 
 
The trigger safety is the only external safety on this gun. The pistol's compact dimensions and modest weight make it suited for all-day carry. 
 

Usage Scenarios 

• Concealed Carry: The 3.42-inch barrel and 6.52-inch overall length fit well in IWB holsters. 
• Home Defense: Reliable operation and adequate capacity for this application. 
• Sport Shooting: The adjustable rear sight helps dial in zero for range use.

The Ruger Security-9 Compact gets consistent praise for its reliability across different 9mm loads. Most owners report clean cycling without significant issues, and the 10+1 capacity is seen as appropriate for a carry gun in this size.

The Hogue grip sleeve draws positive comments for improving control compared to bare-polymer competitors. The price-to-performance ratio comes up often as a reason people chose this gun over more expensive options.

The DAO trigger pull gets mixed feedback -- some find it heavy or less crisp than they'd like, and this is the most common critique. Overall the Security-9 Compact represents solid value in the budget-to-mid-range 9mm compact category.