Smith & Wesson Model 4043 Pistol Slide Assembly 7" .40 S&W DAO Stainless Steel Used OEM Part 4043

This is a used OEM complete slide assembly for the Smith & Wesson Model 4043 semi-automatic pistol chambered in .40 S&W. This is a genuine factory part in stainless steel construction with a 7" length, designed for DAO (double-action-only) operation from a third-generation Smith & Wesson pistol.

Key Features:

• Genuine Smith & Wesson factory part
• Stainless steel construction
• 7" slide length
• Complete slide assembly
• DAO (double-action-only) configuration
• Compatible with Model 4043 .40 S&W pistols
• Used condition - fully functional OEM component
• Part Number: 4043

Compatibility:
This slide assembly is designed specifically for the Smith & Wesson Model 4043, a third-generation .40 S&W pistol with double-action-only operation. The Model 4043 is a variant of the 4006 series with a DAO trigger system for consistent trigger pull on every shot. The four-digit model number indicates this is a 3rd generation pistol: the first digit (4) indicates .40 S&W caliber, the second digit (0) indicates alloy frame, and the third digit (4) indicates DAO trigger configuration. The slide assembly includes the slide, barrel, recoil spring assembly, and internal slide components.

About the Model 4043:
The Smith & Wesson Model 4043 is a third-generation semi-automatic pistol introduced in the late 1980s/early 1990s. It features a DAO trigger system preferred by many law enforcement agencies for its consistent trigger pull and enhanced safety. The .40 S&W caliber offers a balance between 9mm capacity and .45 ACP stopping power. Parts for these third-generation pistols are becoming increasingly difficult to find.

Condition:
This is a used factory slide assembly removed from a Smith & Wesson Model 4043 pistol. The complete assembly has been inspected and is in good working condition with normal wear consistent with use. The stainless steel finish shows typical handling marks and holster wear. Used parts offer an economical solution for repairs and restorations while maintaining OEM quality and fit.

Installation:
Professional gunsmith installation is strongly recommended for proper fitting and function. The slide assembly is a major component that requires proper installation and headspace verification to ensure safe and reliable operation. Improper installation can affect safety and reliability. Knowledge of Smith & Wesson semi-automatic pistol mechanisms is required.