Smith & Wesson 4576
Smith & Wesson · Pistol · Discontinued · 1990
Also known as: Model 4576
Overview
The Smith & Wesson 4576 is a full-size semi-automatic pistol chambered in .45 ACP, introduced by Smith & Wesson in 1990. It is part of Smith & Wesson's Third Generation semi-automatic line, offering the proven .45 ACP cartridge in a modern double-action platform that combined the stopping power favored by .45 enthusiasts with the operational advantages of a DA/SA trigger system. The pistol features a steel frame and a steel slide, providing a durable platform designed for years of reliable service in both duty and civilian applications. competing against established .45 ACP platforms like the 1911 and SIG P220, these pistols offered higher capacity and double-action operation that appealed to agencies and shooters wanting modernized .45 ACP duty guns. In S&W's Third Generation numbering system, this model's designation indicates all stainless steel construction.
Specifications
| Weight (empty) | 1100 g (38.8 oz) |
| Overall Length | 200 mm (7.87") |
| Barrel Length | 108 mm (4.25") |
| Height | 138 mm (5.43") |
| Width | 34 mm (1.34") |
| Action Type | Short Recoil |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Double Action Single Action |
| Magazine Capacity | 8 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 260 m/s (853 fps) |
| Muzzle Energy | 477 J (352 ft·lbf) |
| Effective Range | 50 m (55 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 406 mm (15.98") |
| Number of Grooves | 6 |
| Frame Material | Steel |
| Slide Material | Steel |
| Barrel Material | Steel |
| Finish | Stainless |
Calibers
- .45 ACP · primary — also known as .45 Auto, 11.43x23mm
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Frame Mounted Decocking Lever, Firing Pin Safety
- Features: Fixed Sights, Smooth Combat Trigger, Semi Bobbed Hammer, Accessory Rail, Ambidextrous Slide Stop, Textured Grip, Loaded Chamber Indicator, Reversible Magazine Release
Production
Production years: 1990-1992
Short production run of approximately 2-3 years
Origin
Country of origin: United States
Designer: Smith & Wesson
Discontinued: 1992
Notes
Manufactured for only two years (1990-1992), making it a relatively rare third-generation model. The 4576 is classified as a mid-size variant, distinguishing it from the full-size Model 4506 with its 5-inch barrel.
Background
The 4576 was part of Smith & Wesson's ambitious third-generation pistol lineup, which offered numerous variants to meet different law enforcement and civilian needs during the transition period of the early 1990s.