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Smith & Wesson Model 66 Combat Magnum
Scale To:
Gun Dimensions		Width:	No Data
Length:	7.8-in	Height:	No Data
Barrel:	2.75-in	Weight:	33.5-oz
Variant 1 of 2

Gun Rankings
Power Factor (158 grain bullet)181858 Recoil Factor (158 grain bullet)9.42 ft-lb Total Capacity6 rounds ConcealabilityFair Defense Factor68%

Gun Specifications
Type:	Revolver
Caliber:	.357 Mag
Action:	revolving chamber
Trigger:	double-action (DA/SA)
Safety:	hammer block
Cylinder:	6-round
Frame:	stainless steel
Grip:	black synthetic
Sights:	pinned patridge front, adj. black rear
Notes:

Manufacturer
	Smith & Wesson More Info

About the Gun

Re-release of the original K-Frame Model 66 revolver, Features full top-strap and barrel serrations, ball-detent lock-up, 2-piece barrel.

Production

Production of this specific firearm began in 1970, with various updates over the years. The particular configuration in question was likely manufactured between the late 1980s and early 1990s, before significant design changes occurred in later models.

Market value

Last updated: 7/10/2025

The MSRP for this gun is approximately $919. In 95% condition, the used market value ranges from $700 to $800 based on recent 2024 and 2025 sales data.

Cartridge Specifications
Cartridge:	.357 Magnum
Alias:	.357 Smith & Wesson Magnum
More Info

Ballistics for This Gun
Selected Bullet Mass:		158 grains
MV:	1151 ft/sec	ME:	465 ft-lbs

Analysis

This .357 Magnum revolver offers notable strengths for shooters seeking a balance of power and control. Its accuracy is commendable, delivering consistent performance at moderate ranges, while the ergonomic grip design enhances handling during extended sessions. Reliability is a key asset, with a robust build that withstands regular use under varied conditions. The trigger pull is smooth in double-action mode, though it may feel slightly heavy for some users, requiring acclimation. Felt recoil is manageable for experienced shooters but can be sharp for novices, especially with full-power loads. On the downside, maintenance demands attention due to the intricacies of the mechanism, and sourcing replacement parts can occasionally pose challenges. Additionally, the weight might deter those prioritizing concealability or lightweight carry. Overall, it’s a solid choice for enthusiasts valuing durability, though it requires commitment to upkeep and adaptation to its characteristics.

User Rating

4	User Ratings
2	User Comments

User Comments

Wheelgun Machinery Excellence!
By quavis on 21 Nov 2022
This K-frame model pistol from Smith & Wesson is a beautifully-crafted,well-balanced,ergonomic side arm of superb form and function.The original version was highly favored by both law enforcement and citizens for nearly 50 years,then discontinued,only to return 10 years later from raving popular demand.It packs intensive power in just a medium frame,but is durable for the cause.If there had to be reasons for an old-school,wheelgun resurgence,the S&W Model 66 revolver is certainly one of them.It's an accurate,loud,fun shooter as well as a charming classic collector.

Great revolver...but for the internal lock
By EmeraldCoaster on 15 Apr 2019
S&W is keeping the internal lock, for now, so this K-frame is judged with that in mind. Other than the lock, the Model 66-8 is a very nice package. Both DA and SA trigger pulls are smooth, no stacking or grittiness. Timing and lockup are as expected—solid. Takes the X-frame recoil absorbing grip. Note: currently comes with red ramp front sight.