The Smith & Wesson Model 686 Plus 3-5-7 Magnum Series is a double/single-action revolver chambered in .357 Magnum with a 7-round cylinder and a 7-inch barrel. Overall length is 12.3 inches (31.2 cm) and weight is 51.2 oz (approximately 3.2 lbs). The frame and barrel are satin stainless steel. The grip is a custom black/silver wood design. Sights are a red ramp front with an adjustable white outline rear. 
 

Key Specifications 

• Brand: Smith & Wesson 
• Model Name: Model 686 Plus 3-5-7 Magnum Series 
• Caliber: .357 Magnum 
• Action Type: Single/Double Action 
• Capacity: 7 Rounds 
• Barrel Length: 7 inches (17.8 cm) 
• Overall Length: 12.3 inches (31.2 cm) 
• Weight: 51.2 oz (approximately 3.2 lbs) 
• Sights: Red Ramp Front Sight; Adjustable White Outline Rear Sight 
• Grip Material: Custom Black/Silver Wood Grip 
• Finish: Satin Stainless Steel 
   

Detailed Features 

1. Double/Single Action: SA pull is lighter for deliberate target shots; DA allows faster fire from the holster. 
2. 7-Round Cylinder: One more round than a standard 6-shot .357 without a significant size increase. 
3. Red Ramp Front / Adjustable White Outline Rear: Fast target acquisition with adjustability for different loads and distances. 
4. Stainless Steel Construction: Resists corrosion and holds up well with regular maintenance. 
5. Custom Wood Grip: Comfortable during extended use and provides good recoil control.

The 686 Plus with the 7-inch barrel is well-regarded for long-range accuracy. The extra barrel length improves velocity and the sight radius, and owners consistently report tight groups at distance -- a practical advantage for both hunting and competition. The 7-round capacity over a standard 6-shot cylinder is a meaningful difference that owners appreciate.

Dual compatibility with .38 Special and .357 Magnum is a practical benefit -- lighter practice loads in .38 Special, full-power .357 when it matters. The double-action trigger pull is smooth and the single-action break is crisp. Weight at 51.2 oz is substantial and aids recoil management, though it becomes an issue for extended carry or long shooting sessions. The satin stainless finish gets consistent positive comments for both appearance and corrosion resistance. Grip ergonomics draw mixed reactions. Price is a common discussion topic; most owners view it as justified given the build quality and performance.