The Tanfoglio Defiant Stock Master is a single/double-action semi-automatic pistol chambered in 10mm Auto with a 4.75-inch bull barrel. The frame is steel with a hard chrome finish, and grips are wood. 
 

Key Specifications 

• Brand: Tanfoglio IFG 
• Model: Defiant Stock Master 
• Caliber: 10mm Auto 
• Action: Single/Double Action 
• Capacity: 13 Rounds +1 
• Barrel Length: 4.75 inches 
• Weight: 2.8 lbs (45.5 oz) 
• Overall Length: 8.85 inches 
• Frame Material: Steel with Hard Chrome Finish 
• Grips: Wood 
• Sights Configuration: Adjustable Fiber Optic Front & SuperSight Rear 
   

Detailed Features 

 
The bull barrel uses semi-polygonal rifling and is fixed rather than tilting, which improves lockup consistency shot to shot. The fiber optic front sight pairs with a fully adjustable SuperSight rear, giving competitors the ability to dial in windage and elevation without needing a separate tool. 
 
The hard chrome steel frame and lightened slide are competition-oriented choices—the slide modification speeds up cycling while the frame weight helps control the 10mm's recoil impulse. The extended ambidextrous thumb safety is accessible for both left- and right-handed shooters. A Picatinny rail on the frame allows light or laser attachment. The DA/SA trigger system lets shooters choose their preference for the first shot.

The Tanfoglio Defiant Stock Master in 10mm with the stainless finish draws positive attention for build quality and the way it looks in person. Owners appreciate the hard chrome finish's durability and the wood grips, which distinguish it visually from polymer-framed competition pistols.

Range reports focus on accuracy and manageable recoil for a 10mm—the fixed bull barrel and heavy steel frame do their job in absorbing the cartridge's impulse. The adjustable sights get credit for allowing precise zero adjustments without tools.

The weight (45.5 oz) is the most-cited drawback. It's a deliberate trade-off for 10mm control, but shooters who expected something more carry-friendly note the heft. Grip size and texture also surface as personal-preference issues, since hand size varies. Aftermarket parts and accessories for the Tanfoglio platform are available but not as plentiful as for more common American platforms, which matters to shooters who like to customize.