note: not my photo S&W CS 9 - CS for "Chief's Special." This third generation S&W semi-auto was made pre-polymer; 1990-ish. It is a sub-compact, 7+1 9mm. 3" barrel, about the size of the Walther PPK, but considerably wider. For me, most sub-compacts are too small for my hands and when I first got this pistol, I assumed it would be the same. Fortunately, I was wrong. With the fat Hogue rubber grips and the pinky extension on the magazine, it's not exactly a handful, but it's not too small to shoot comfortably. I put 200 rounds of 115gr. ball through it and, save for one probably dud primer, all went bang at the appropriate time and in the expected direction. The first round is double-action and is not too bad for such. Succeeding rounds are single action and break crisply. Don't have a gauge for that break, but it's not bad at all. The safety doubles as a decocker so that if you decide to lower the hammer, you can do so without riding it while pulling the trigger a la a 1911 or revolver. Nice gun, very suitable for CCW, even though there are better options with more modern guns that offer a higher magazine capacity for nearly the same size. If/when I get too feeble to take the beating administered by my XDS .45 for CCW, this very well may become my 'go to' choice. Small, unobtrusive, reliable. I played around with this pistol and put a brand of sights on it called "Big Dot." Those sights are what it says on the label. The front sight is a very large white dot (with a tritium insert for night sights). The rear sight is a wide 'V' with a single white (also tritium) vertical line. The result for aiming is: O I Imagine a very small lollipop and perhaps you can get the idea. Those that are familiar with Heinie style sights will 'get' this as well. The point of the sights is for self-defense. While you can, and I did, make 25 yard shots with them, it ain't easy and takes more work than traditional notch and post sights. But, for 3-5 yard 'oh sh1t' use, it is simply put the big white dot over the torso and pull. Worked a champ. Still pondering if I want to put those type sights on the XDS mentioned above.