The Sig Sauer P226 MK25 is a full-size semi-automatic pistol chambered in 9mm Luger. It runs double/single action, holds 15+1 rounds, and ships with 3 magazines. The 4.4-inch barrel brings overall length to 7.7 inches; weight is 34 oz. Sights are SIGLITE Night Sights front and rear, grip is black polymer. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model Name: P226 MK25 
• UPC: 798681450695 
• Caliber: 9MM Luger (9X19 PARA) 
• Action Type: Double/Single Action 
• Capacity: 15 + 1 rounds (3 magazines included) 
• Barrel Length: 4.4 inches 
• Overall Length: 7.7 inches 
• Weight: 2.1 lbs (34 oz) 
• Sights: SIGLITE Night Sights 
• Grip Material: Black Polymer 
   

Features 

The DA/SA mechanism lets you fire double-action on the first shot, then single-action for follow-up shots. SIGLITE Night Sights are tritium-filled for low-light use. The black polymer grip keeps weight down while giving a firm purchase during extended sessions. 
 

Usage 

The 15+1 capacity and reliable feed cycle make it a practical choice for home defense. The DA/SA trigger and SIGLITE sights also suit competitive pistol shooting and general range work.

Owners of the P226 MK25 are generally positive about it. Reliability comes up constantly: the pistol feeds and cycles cleanly across a wide range of 9mm loads, which earns trust from both law enforcement users and civilians. Accuracy is another strong point; most shooters report tight groups out of the box without needing adjustments.

The ergonomics get good marks too. The grip fits a wide range of hand sizes and the controls fall naturally underhand, which helps during longer sessions. On the critical side, weight is the main complaint. At 34 oz it is on the heavier end for a carry gun, and some find the full-size frame too bulky for concealed carry. The price is also frequently noted as high relative to comparable 9mm options. The DA/SA trigger system divides opinion: shooters who train on it appreciate the safety margin of a longer first pull, while others find the transition from DA to SA requires deliberate practice to master consistently. Aftermarket support is solid, with a broad selection of grips, sights, and holsters available.