Selected Handgun Detail

Manufacturer
	Smith & Wesson More Info

About the Gun

Same design and features of the model 3904 except all stainless steel construction. Exposed hammer, beveled magwell, extended squared trigger guard, one piece wrap-around grip.

Production

Production ran from 1988 through 1991.

Market value

MSRP at production was around $500 to $600. Used examples in good to excellent condition currently range from $550 to $750.

Cartridge Specifications
Cartridge:	9 mm Luger
Alias:	9 mm Parabellum
More Info

Analysis

The Smith & Wesson Model 3906 maintains the same single-stack 8-round capacity and third-generation updates in the 39-series lineage, with the primary distinction being its all-stainless construction that increases weight by around 7 ounces unloaded over the alloy frame 3904. User reports from forums and discussions consistently indicate strong reliability, with the pistol functioning without issues across various ammunition types in range sessions and occasional duty use, though its heavier overall mass contributes to reduced felt recoil and more stable shooting compared to lighter alloy-frame equivalents. The double-action trigger pull is frequently described as long and heavy, with single-action pulls that can vary in smoothness—some examples exhibit grittiness or require attention for consistency, while others are noted as acceptable or improved after break-in or minor work. Disassembly follows patterns similar to other third-generation S&W autos, involving multiple steps that may feel more involved than contemporary designs, and while parts sharing with models like the 5906 or 3904 aids availability through S&W service or aftermarket sources, certain components for these short-run pistols can involve longer wait times or gunsmith assistance. The slim grip profile accommodates varied hand sizes effectively, though the added weight from stainless construction makes it less ideal for those preferring lighter carry options. In the late 1980s to early 1990s market context, the 3906 filled a niche for corrosion-resistant full-size single-stack 9mm service pistols before the industry shifted toward double-stack and polymer-framed alternatives, resulting in limited production and ongoing collector interest rather than broad practical adoption today. Reports of major mechanical defects remain uncommon, with performance generally characterized as dependable for its design era when properly maintained.