Smith & Wesson Model 4003
Smith & Wesson · Pistol · Discontinued · 1991
Also known as: Model 4003
Overview
The Smith & Wesson Model 4003 is a full-size semi-automatic pistol chambered in .40 S&W, introduced by Smith & Wesson in 1991. It is among the first pistols chambered for the new .40 S&W cartridge, which was developed jointly by Smith & Wesson and Winchester as a shorter, more manageable alternative to the 10mm Auto after the FBI's experience with that round. these pistols arrived at exactly the right moment, as law enforcement agencies across America were transitioning from revolvers to semi-automatics and seeking a cartridge that split the difference between 9mm and .45 ACP. In S&W's Third Generation numbering system, this model's designation indicates stainless steel frame with aluminum alloy slide, full-size configuration.
Specifications
| Weight (empty) | 822 g (29.0 oz) |
| Overall Length | 191 mm (7.52") |
| Barrel Length | 102 mm (4.02") |
| Height | 138 mm (5.43") |
| Width | 34 mm (1.34") |
| Action Type | Short Recoil |
| Firing Mechanism | Double Action |
| Trigger Type | Double Action |
| Magazine Capacity | 11 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 308 m/s (1010 fps) |
| Muzzle Energy | 546 J (403 ft·lbf) |
| Effective Range | 50 m (55 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 406 mm (15.98") |
| Number of Grooves | 6 |
| Frame Material | Aluminum Alloy |
| Slide Material | Stainless Steel |
| Barrel Material | Stainless Steel |
| Finish | Satin Stainless |
Calibers
- .40 S&W · primary — also known as .40 Smith & Wesson, 10x22mm
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Slide Mounted Decocker Safety, Magazine Disconnect, Firing Pin Safety
- Features: Third Generation Design, Aluminum Frame, Stainless Slide, Double Stack Magazine, Fixed Rear Sight
Production
Production years: 1991-2000
Origin
Country of origin: United States
Notes
The 4003 was the lightweight variant of the 4006, using an aluminum frame to reduce weight while maintaining the same capacity and barrel length.
Background
Smith & Wesson's Third Generation pistols used a sophisticated model numbering system where each digit conveyed specific information about caliber, frame size, action type, and materials - essentially encoding the entire specification sheet into four digits.