The Tanfoglio Defiant Limited Pro is a DA/SA semi-automatic pistol chambered in 9mm Luger with a 4.8-inch polygonal-rifled barrel, 16+1 capacity, and a hard chrome finish on both the steel frame and serrated steel slide. Weight is 42 oz. Overall length is 8.70 inches. 
 

Key Specifications 

• Model: Defiant Limited Pro 
• Caliber: 9mm Luger 
• Action: Double/Single Action (DA/SA) 
• Capacity: 16+1 rounds 
• Barrel Length: 4.8 inches 
• Overall Length: 8.70 inches 
• Weight: 42 oz 
• Frame Material: Steel with Hard Chrome Finish 
• Slide Material: Serrated Hard Chrome Steel 
• Safety Feature: Extended Thumb Safety 
• Sights Configuration: Interchangeable Front Sight & Adjustable Rear SuperSight 
   

Features 

 
The polygonal barrel at 4.80 inches improves bullet-to-bore contact compared to conventional rifling, which tends to produce slightly higher velocity and better barrel life. The adjustable rear SuperSight paired with an interchangeable front sight lets you tune the sight picture for different distances or lighting conditions -- useful for a pistol intended for competition. 
 
The beavertail grip gives better hand positioning high on the backstrap, which helps control the 42 oz steel frame during rapid fire. An extended thumb safety is included. The DA/SA trigger means the first shot requires a longer, heavier double-action pull, with subsequent shots in single-action. That's a deliberate tradeoff -- more safety margin on the first shot, lighter and crisper pulls after that.

The hard chrome finish and steel construction draw consistent positive remarks -- the pistol looks distinctive and handles extended range sessions without showing wear quickly. The 16+1 capacity in a full-size 9mm is standard for the class, and owners don't flag it as a limitation.

The DA/SA trigger system divides opinion in ways typical for the action type. Shooters who came up on DA/SA pistols appreciate the versatility and find the transition natural. Those coming from striker-fired guns mention a learning curve on managing the double-action first shot. The single-action pull after that gets better reviews -- described as smooth and consistent by most owners.

At 42 oz, this is a heavy pistol. For range use and competition, that's a non-issue or even an advantage for recoil management. For daily carry, it's a genuine constraint, and most discussions acknowledge it isn't the target use case.

Finding aftermarket accessories -- holsters, grips, night sights -- for Tanfoglio platforms is harder than for Glock or SIG variants. That's the most practical ongoing complaint. Customer service experiences vary; the pistol doesn't have the widespread service network of mainstream brands, which some owners find acceptable and others don't.