SIG Sauer pistols have existed since the early 1970s as a result of the joint efforts of Swiss and German firms. In the pre-World War II era, the German firm of J.P. Sauer & Sohn made a much-respected pocket pistol called the Sauer 38H, while Schweizerische Industrie Gesellschaft (SIG) of Switzerland later developed a superb service pistol called the P210. Between them, the two companies brought great design and manufacturing experience to the development of a line of pistols. Made in Germany at the Eckenforde plant, the guns have been widely popular in the United States since first imported here in the 1970s. It is interesting to note that in the past 40 years, SIG Sauer pistols have evolved logically, but remain fundamentally the same gun as initially sold in the Nixon years. Many competing designs cannot make that claim. Plainly, they got it right from the start.
What they got right was a series of semi-automatic pistols with several significant innovations. Initially, the guns came with a machined receiver and unique sheet steel slide. As much as some critics were concerned with the strength of these units, they have an excellent track record in hard service. The development of such cartridges as the .40 S&W and .357 SIG eventually required a machined steel slide, and all SIG pistols now have that feature. Early on, SIG Sauers differed from the rest of the pack in that they locked up in a much different way. Instead of barrel locking lugs being cammed into recesses in the slide, a square breech end of the barrel fitted into a square ejection port. Many other brands now have this feature. Since those early guns came along at a time when double-action/single-action trigger systems were just being accepted in police service, SIG engineers developed an unusual—but very sensible—arrangement. With the hammer down, the first-shot is fired double-action, with the trigger cocking and then releasing the hammer to fire. Subsequent shots are single-action, and there is no manual safety. There is no real need for one on a pistol that is carried hammer down in the same way as a revolver.
The SIG system did include a logically placed decocking lever just above the left grip panel. This is the basic formula for the P-series of pistols that have done so well for nearly 40 years. In recent times, the innovators in SIG Sauer’s engineering department have added a unique, optional double-action-only trigger system known as the “DAK” trigger. The designation is for “double-action, Kellerman” (the latter for the system’s designer), and it gives the shooter a short, smooth factory-rated pull of about 7 pounds, 8 ounces, for every shot. All of the four versions of the P224—the SAS, or SIG Anti-Snag, the Equinox, the Nickel and the Extreme reviewed here—offer the DAK trigger, but the DA/SA Short Reset Trigger is available on the SAS, and the Extreme and the standard DA/SA system is available on the Equinox and Nickel.
SIG Sauer has focused considerable attention on making its pistols more useful to a wider variety of handgunners. That means going after the growing civilian concealed-carry market. It’s one thing to carry a hefty pistol in a strong-side holster on a wide belt. Most of us outside of law enforcement don’t live and work where this is possible, so our carrying is licensed concealed carry, which is another thing entirely. Full-size pistols can sometimes be hidden under casual or business-type clothing, but most handgunners simply want a smaller, lighter, generally more compact handgun. Meeting this trend is a major design influence, and the subject handgun, SIG Sauer’s P224, is a perfect example of the concept at work.
The P224 is available in three chamberings used in both full-size and compact pistols—9 mm Luger, .357 SIG, .40 S&W. Originally, the P226 was a pistol intended for the U.S. service pistol trials. A full-size gun in 9 mm Luger, it was widely used in American law enforcement. Several years later, SIG Sauer came out with a reduced-size gun known as the P228 and, eventually, the P229. The latter was necessary for use with the .357 SIG and .40 S&W cartridges. These two models have been erroneously described as scaled-down versions of the P226. They are better described as abbreviated or shortened versions of the parent gun. The P224 is simply an even shorter version of the P229 and P226 pistols.
SIG Sauer is currently running an ad campaign showing a new P224 lying on a workbench. Adjacent to the muzzle and to the butt, there are the sawed-off sections of a P229. Let there be no confusion, SIG Sauer does not make P224s by literally cutting sections off of P229s. The graphic ad simply demonstrates how much smaller the gun actually is. Specifically, let’s look at some measured comparisons. The P224 measures 6.7-inches long by 4.5-inches high by 1.5-inches thick, while the parent P229 is 7.1x5.4x1.3 inches.