The Taurus Model 66 is a full-size double/single action revolver chambered in .38 Special/.357 Magnum with a 4-inch barrel, 7-round cylinder, and matte black finish. It accepts both calibers interchangeably. 
 

Key Specifications 

• Model: Taurus Model 66 
• Caliber: .38 Special/.357 Magnum 
• Action: Single/Double Action 
• Capacity: 7 Rounds 
• Barrel Length: 4 inches 
• Weight: 2.4 lbs (38 oz) 
• Finish: Matte Black 
   

Detailed Features 

 
Chamber compatibility with both .38 Special and .357 Magnum gives shooters flexibility -- use .38 Special for economical practice and reduced recoil, switch to .357 Magnum when more power is needed. The double/single action mechanism lets you choose between a longer double-action pull for a defensive draw or a shorter single-action pull for deliberate accuracy shooting. The adjustable rear sight and fixed front sight let you correct for point of impact at your preferred distance. The rubber grip absorbs recoil and keeps the gun comfortable through longer sessions. The transfer bar safety prevents the firing pin from contacting the primer unless the trigger is fully pulled. 
 

Usage Scenarios 

• Personal defense with .357 Magnum stopping power 
• Range practice with economical .38 Special loads 
• Competition shooting where single-action accuracy matters 
• Recreational use where a 7-round cylinder reduces reload frequency

The Taurus PowerFlex 66 in 4-inch matte black generates consistent positive feedback with a few recurring concerns.

Build quality is the most common praise. The matte finish is described as durable and the revolver feels solid in hand, which gives owners confidence in its longevity.

Performance in both .38 Special and .357 Magnum is generally well-regarded. Users report smooth cycling and manageable recoil for the size, and accuracy gets positive marks at typical defensive and recreational distances.

Ergonomics are well-received. The grip design works for most hand sizes through extended sessions.

Value is a consistent positive. Compared to other revolvers in the same caliber range from competing brands, buyers find the Taurus price reasonable for the performance delivered.

Negatives center on Taurus customer service. Experiences are mixed -- some owners report satisfactory warranty interactions, others describe delays and communication problems. This is a long-running concern with the brand that shows up in most discussions. Grip fit for larger or smaller hands draws occasional criticism, and some buyers prefer semi-autos over revolvers for the same use cases.