The TriStar T-120 is a semi-automatic pistol in 9mm Luger with an aluminum frame in a black Cerakote finish. Single/double action trigger, 17-round capacity, and a 4.7-inch barrel make this a full-size service-style pistol. 
 

Key Specifications 

• Manufacturer: TriStar Arms 
• Model: T-120 
• Caliber: 9mm Luger 
• Action Type: Single/Double 
• Barrel Length: 4.7 inches 
• Total Length: 8.2 inches 
• Weight: 30.1 oz 
• Capacity: 17 rounds 
• Frame Material: Aluminum 
• Frame Finish: Black Cerakote 
• Safety Features: Manual safety with trigger and hammer lever 
• Sights: Snag-free dovetail rear; fixed front blade 
   

Features 

The aluminum frame keeps the pistol at 30.1 oz — manageable for extended carry or range use. The Cerakote finish resists corrosion and holds up to holster wear. At 17 rounds of 9mm the capacity is competitive with full-size service pistols. Snag-free dovetail rear sights reduce the chance of catching on clothing during a draw. Manual safety and hammer lever give additional control over the firing sequence.

Owners of the TriStar T-120 generally comment positively on the build quality of the aluminum frame and the comfortable grip. Accuracy reports are favorable, with shooters hitting consistent groups at typical range distances. The 17-round capacity is a recurring positive — it matches or exceeds what many competitors offer at the price.

The trigger draw weight gets criticism from some owners who find it heavier than expected. The pistol runs about 30 oz, which is on the heavier side for a compact, and a few owners looking for ultralight carry options note this. Holsters and aftermarket parts are harder to find than for mainstream brands, which limits customization. Some owners also report needing a break-in period before reliability stabilizes.