The Smith & Wesson Performance Center Model 686SSR Pro Series is a 6-shot single/double-action revolver chambered in .357 Magnum, also compatible with .38 S&W Special +P. It pairs an ALTAMONT hardwood grip with a matte stainless steel frame and includes several Performance Center-specific modifications. 
 

Key Specifications 

• SKU: 178012 
• UPC: 022188780123 
• Caliber: .357 Magnum / .38 S&W Special +P 
• Action Type: Single/Double Action (SA/DA) 
• Capacity: 6 Rounds 
• Barrel Length: 4 inches 
• Overall Length: 9.5 inches 
• Weight: 2.4 lbs (38.5 oz) 
• Sights: Interchangeable front sight; Adjustable rear sight 
• Grip Material: Wood (ALTAMONT hardwood) 
• Frame Material & Finish: Stainless Steel; Matte Silver 
   

Detailed Features: 

Chamfered charge holes reduce snagging during speed reloads, which matters in competitive use. The custom barrel with recessed precision crown protects the muzzle and helps stabilize the bullet at the exit point for more consistent groups. The bossed mainspring reduces trigger pull weight compared to the standard 686, making the double-action pull more manageable for precise shooting. The ALTAMONT hardwood grip is positioned to encourage a high hand hold, which improves control and reduces felt recoil. Interchangeable front sight and adjustable rear sight let you dial in point of impact for specific loads.

Owners of the S&W Performance 686SSR Pro .357 Magnum with the 4" barrel consistently highlight its quality construction and smooth trigger as the defining strengths.

Build quality and reliability get the most consistent praise -- S&W's machining quality is appreciated, and owners report smooth, reliable cycling over extended use. The trigger feel draws specific mention, with the lighter double-action pull compared to standard 686 models being a genuine differentiator for accuracy-focused shooters. The adjustable sights are valued for letting owners tune point of impact for different loads. Accuracy at various distances comes up frequently, with owners reporting tight groups for both recreational shooting and competitive use. Running both .38 Special and .357 Magnum is seen as a practical advantage.

Weight (38.5 oz) is noted by some owners as a factor for extended use, though most find it manageable. Price runs on the higher end for revolvers in this class, which generates some discussion -- most owners consider it justified given the Performance Center work, but it's a real consideration for budget-conscious buyers.