Rifleman Q&A: S&W M629 Markings

by
posted on December 23, 2022
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
S&W M629

Q. I recently acquired a Model 629 Smith & Wesson revolver. It has the 83⁄8" barrel and S&W wood stocks. The yoke has “G23” over “42995,” and on the right side, it is marked with “AYF3198” over “M-629-1.” If I didn’t know it to be a 629, I would swear it was nickel; this is, by far, the brightest stainless gun I have seen.


A. The S&W Model 629 was introduced in 1979 as a stainless-steel version of the popular Model 29. Numerous engineering changes have occurred over the course of its production. The first, designated as the M629-1, occurred in 1982 and involved the elimination of the pinned barrel and chamber rim counterbores, along with a slight increase in cylinder length. The serial number AYF3198 does not help in determining the gun’s age, as there is no published listing of serial numbers by production date although, through research, I believe your S&W was produced in early 1988. The 629-1 was replaced by the -2 version in 1988. 

The twice-occurring G23 and 42995 were likely applied to verify that the yoke and frame were a matched set. Any other markings usually represent inspection and approval at different points of production.

At the time of your revolver’s production, there were no options available for degree of polish. Admittedly, it is possible to find variations in the level of polish due to normal human activity and tolerance of polishing equipment. Unless you are the first owner of the gun and can verify the level of finish, I suspect that the shiny appearance you describe was likely achieved through the efforts of a previous owner.

—John W. Treakle, Contributing Editor

Latest

Sight Alignment
Sight Alignment

Sighted Fire vs. Point-Shooting

A long-standing argument among handgunners revolves around the concept of sighted fire versus point-shooting. A more productive approach is to understand the problem each is trying to solve.

Derya Expands TM22 Family with Timekeeper & Pump Models

Derya continues the expansion of its rimfire line with two new models for 2026, an update of the original semi-auto TM22 and a new pump-action version.

Gun of the Week: Taurus RPC

The Taurus RPC is a welcome addition to the growing marketplace of PDWs, or personal defense weapons, a concept that pairs pistol-caliber cartridges with larger-format firearms.

The Armed Citizen® Nov. 13, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

Review: Kimber 2K11 Pro Comp

Kimber expanded its 2K11 line with the Pro Comp in 2026, providing a Commander-length slide and barrel topped by an integrated compensator.

New for 2026: Bear Creek Arsenal Bear Bolt Pro

North Carolina-based Bear Creek Arsenal, a prolific maker of AR-10 and AR-15 pattern firearms, is combining the modularity of the MSR platform with a traditional turn-bolt action with its Bear Bolt Pro.

Interests



Get the best of American Rifleman delivered to your inbox.