S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless vs Smith & Wesson S&W .500 Magnum Revolver Gen 1 - Powerhouse Precision
The short answer
The S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless and the Smith & Wesson S&W .500 Magnum Revolver Gen 1 - Powerhouse Precision are both single/double action revolvers. The S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless is the more affordable option, starting at $749.99 versus $1369.99. On the spec sheet, the S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless carries more rounds (6 rounds vs 5 rounds) and the S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless is lighter (36.9 oz vs 72.5 oz).
Frequently asked questions
- What is the difference between the S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless and the Smith & Wesson S&W .500 Magnum Revolver Gen 1 - Powerhouse Precision?
- They differ mainly in caliber (.357 Magnum vs .500 S&W), model (66 vs SW500), capacity (6 rounds vs 5 rounds) and barrel length (4" vs 8.4").
- Which is cheaper, the S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless or the Smith & Wesson S&W .500 Magnum Revolver Gen 1 - Powerhouse Precision?
- The S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless is currently the cheaper of the two, with a lowest listed price of $749.99 compared with $1369.99 for the Smith & Wesson S&W .500 Magnum Revolver Gen 1 - Powerhouse Precision. Dealer prices are live and can change.
- Which holds more rounds, the S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless or the Smith & Wesson S&W .500 Magnum Revolver Gen 1 - Powerhouse Precision?
- The S&W Model 66 Combat Magnum Gen 1 - .357 Revolver Matte Stainless has the higher magazine capacity at 6 rounds, versus 5 rounds for the Smith & Wesson S&W .500 Magnum Revolver Gen 1 - Powerhouse Precision.

