W&A Wesson Arms

Smith & Wesson and the .40 S&W: a cartridge built for hard use

The .40 S&W is one of the most discussed handgun cartridges of the past four decades, and Smith & Wesson played a central role in its creation, refinement, and spread. Developed in the early 1990s as a direct response to a law enforcement crisis in the United States, the round sits between the 9mm and the .45 ACP in recoil and energy. For Australian buyers, the cartridge's history offers context on why so many used police-trade pistols end up on dealer shelves, and why the format still has a loyal following at ranges from Brisbane to Bunbury.

In a country where handgun ownership is tightly controlled and largely limited to sport shooting and licensed collecting, cartridge selection tends to focus on what's available, what the local range allows, and what older police imports can be picked up at a fair price. Smith & Wesson's relationship with the .40 S&W influences all three factors, because the company co-designed the round with Winchester, then built pistols around it that flooded the second-hand market once American agencies moved on.

Origins and the FBI connection

The story of the .40 S&W begins with a 1986 shootout in Miami. FBI agents engaged two armed suspects, and the resulting gunfire left two agents dead and five wounded. An after-action review concluded that the 9mm rounds used by the agents had underperformed, while .38 Special loads carried by one wounded agent had performed better. The bureau issued a public request for a new cartridge that could deliver .45 ACP-like stopping power in a package that worked in existing 9mm-size frames.

Smith & Wesson, working with Winchester's ammunition division, answered the call in 1990. The result was a shortened 10mm Auto case, loaded to lower pressure so it would function in standard-size duty pistols. The cartridge was announced at the 1990 SHOT Show and quickly became the most talked-about new round of the decade. Within a year, federal agencies, state police forces, and municipal departments across the United States had placed orders for pistols chambered in the new round.

Design and ballistic profile

At its core, the .40 S&W fires a bullet between 155 and 180 grains at velocities in the 950 to 1,200 feet-per-second range, depending on load. It generates noticeably more recoil than a comparable 9mm load, which is one reason many Australian shooters who train on rental pistols at indoor ranges report warming up with 9mm before moving to .40 S&W drills. The cartridge was deliberately designed to fit magazines and frames originally cut for 9mm, which simplified the transition for law enforcement agencies that did not want to reissue duty holsters or retrain officers.

Ballistically, the .40 S&W offers a flatter trajectory than most .45 ACP loads and delivers more energy at common engagement distances. For sport shooters at SSAA-affiliated ranges in Victoria or the Brisbane Pistol Club, that extra energy can be a liability, because the heavy recoil extends split times and accelerates slide wear. Many competitive shooters in the Q target discipline end up preferring 9mm, but the .40 S&W remains popular in IPSC standard division where it fits scoring rules.

Adoption by Smith & Wesson and competitors

Smith & Wesson built the cartridge specifically around its third-generation semi-auto pistols, particularly the Model 4006 and the later Sigma series. When the round took off, the company's existing tooling and frame designs gave it a head start, and within a few years almost every major American manufacturer had a .40 S&W offering. Glock, Beretta, SIG Sauer, Heckler & Koch, and Ruger all rushed competing pistols to market, often sharing magazine patterns with the 9mm versions to make police logistics easier.

This shared architecture has long-term consequences in Australia. Many of the used police-trade pistols that show up at dealers, including M&P variants, are .40 S&W models that came off American service after departments standardised on 9mm. For licensed sport shooters, the second-hand market for .40 S&W pistols and magazines has been soft for years, with prices that often look attractive compared to newer 9mm alternatives.

Law enforcement use and the aftermarket wave

The .40 S&W was the dominant American law enforcement cartridge from the mid-1990s through the early 2010s. The FBI, U.S. Border Patrol, and hundreds of municipal agencies issued it as standard. Once ballistic gel testing became more sophisticated, many of those agencies began to drift back toward 9mm, particularly after federal grants subsidised the move. By 2017, the FBI itself had announced a return to 9mm, and the flood of surplus .40 S&W pistols began.

That surplus is the single biggest reason .40 S&W pistols are so common on the Australian second-hand market. Importers bring in containers of retired duty pistols, and licensed buyers in NSW, Queensland, and Western Australia can find well-worn examples at prices well below comparable 9mm models. Magazine supply has tightened in recent years because American agencies are keeping more of their stock for resale, but most parts are still available through specialist retailers.

Factory ammunition worth tracking down in Australia includes:

Performance in Australian conditions

Australian sport shooting tends to favour accuracy and recoil management over stopping power, which puts the .40 S&W in a slightly awkward position. At a typical outdoor range on a 30-degree Adelaide arvo, shooters chasing tight groups on steel often report that .40 S&W pistols need more sight work than equivalent 9mm builds. The cartridge runs hotter, which shortens barrel life and increases fouling in tightly fitted match barrels.

That said, the round has clear fans. Many licensed collectors in Tasmania and Victoria collect .40 S&W Smith & Wesson pistols specifically because of their connection to the cartridge's history. Performance Center variants tend to hold value well, and shooters who already own a stable of .38 Super and 10mm pistols often add a .40 S&W for the historical continuity rather than any practical advantage. If you're shopping for a carry or range holster for a Performance Center model, it's worth checking out what to look for in a holster for your S&W Performance Center model before committing.

Modern relevance and collector interest

The .40 S&W is no longer a duty round anywhere in Australia, and its share of the global commercial market has shrunk noticeably. Factory ammunition is still produced by Winchester, Federal, Speer, and Remington, and Australian importers keep the major weights in stock, but selection is thinner than a decade ago. Handloaders in the country still work with the cartridge, particularly those who shoot suppressed and want a subsonic option that fits existing 9mm-frame pistols.

Collector interest is a different story. Smith & Wesson's early .40 S&W pistols, particularly the first- and second-generation 4000-series models, are tracked actively by firearms historians. Values have climbed in step with broader interest in late-20th-century American police sidearms, and well-documented examples with original boxes and test targets can move quickly when they hit the Australian market. For shooters weighing a purchase, the choice between a .40 S&W and a 9mm often comes down to intended use.

Cartridge Typical bullet weight Recoil perceived by shooters Common duty use today Magazine availability in Australia
9mm Luger 115–147 gr Light to moderate Standard for most agencies Wide, including police-surplus stock
.40 S&W 155–180 gr Moderate to firm Largely phased out Adequate, mostly from surplus
.45 ACP 185–230 gr Firm to heavy Niche and collector use Limited, premium-priced
10mm Auto 135–200 gr Heavy Specialty and hunting Niche, handloader-driven
.357 SIG 125–147 gr Moderate Phased out of most service use Scarce

When shopping for a .40 S&W Smith & Wesson, focus on these practical points:

For sport shooters, the practical case for the .40 S&W is narrow but real. If your local club runs a .40 S&W-specific match, or if you already own a Smith & Wesson in that chambering and want a consistent training round, the cartridge still pulls its weight. The bigger story is historical: Smith & Wesson helped design the round, built the pistols that introduced it to the world, and watched as those pistols came back into circulation when the policing world moved on. For Australian collectors and shooters, that history is the main reason .40 S&W Smith & Wesson pistols remain worth tracking down and keeping in working order.