The TriStar Viper G2 Pro Sporting is a 12-gauge semi-auto shotgun with a 30" barrel, blue anodized receiver, synthetic soft-touch stock, and fiber optic front sight. It weighs 7.20 lbs and chambers 3" shells with a 5+1 capacity. 
 

Key Specifications 

• Brand: TriStar 
• Model Name: Viper G2 Pro Sporting 
• Action Type: Semi-Auto 
• Caliber/Gauge: 12 GA 
• Chamber Size: 3" 
• Barrel Length: 30" 
• Capacity: 5+1 rounds 
• Weight: 7.20 lbs 
• Sights: Fiber Optic Front Sight 
• Stock Material: Synthetic with Soft Touch Finish 
• Safety Mechanism: Crossbolt 
• Receiver Finish: Blue Anodized 
   

Detailed Features 

The 30" barrel adds swing weight that helps with follow-through on crossing clay targets. The fiber optic front bead is easy to pick up in various lighting. The gas-operated action cycles a range of loads from light target to heavier hunting rounds. 
 
The MobilChoke system ships with Full, Improved Cylinder, Modified, and Skeet chokes, covering most sporting clays and hunting distances. The soft-touch synthetic stock holds up in wet conditions without requiring the care that wood demands. 
 

Usage 

At 7.20 lbs this is a full-sized sporting gun. The 30" barrel suits sporting clays and trap where longer barrels improve consistency. The extended choke selection covers upland work too.

The TriStar Viper G2 Pro 12 GA Semi-Auto Shotgun draws generally positive feedback, especially for the price point.

Affordability is the most cited positive. Most owners consider it solid value against higher-priced semi-autos. Performance is frequently praised: the gas action cycles well across various load types including lighter target loads and heavier hunting rounds. The balanced feel and comfortable grip come up often, and the 30" barrel gets credit for improving accuracy on longer shots.

The main criticisms are weight (7.20 lbs feels heavy to some during long sessions), a short break-in period before the gun runs its best, and limited aftermarket customization options. Customer service experience has drawn some complaints from owners who had warranty or parts issues.