What is smith and wesson 4500?

Smith & Wesson 4500 is a series of semi-automatic pistols produced by the American firearms manufacturer, Smith & Wesson. First introduced in the early 1990s, the 4500 series was designed as a tactical pistol for law enforcement and military use. The 4500 series is chambered in .45 ACP and features a double-action/single-action trigger with a decocker and a manual safety. The pistol has a stainless steel frame and slide, and a lightweight aluminum-alloy trigger guard. The 4500 series has a fixed barrel and recoil spring assembly, which contributes to its accuracy and reliability. The pistol is also equipped with a variety of safety features, such as an internal firing pin block and a loaded chamber indicator. The 4500 series was discontinued in the early 2000s, but it remains popular among collectors and shooters.