Smith & Wesson Extractor Pin Models 39 59 410 411 3904 3914 3944 3954 Factory OEM 105800000

Smith & Wesson Extractor Pin - Factory OEM Part

This is a genuine Smith & Wesson factory OEM extractor pin for 2nd and 3rd Generation semi-automatic pistols. Part number 105800000 is a critical component that secures the extractor to the slide assembly, ensuring the extractor remains properly positioned for reliable extraction of spent casings.

Product Specifications

• Manufacturer: Smith & Wesson
• Part Number: 105800000
• Condition: Factory New
• Compatibility: Models 39, 59, 410, 411, 3904, 3914, 3944, 3954, and more (see full list below)
• Function: Extractor retaining pin
• Material: Steel
• Weight: 0.99 oz

Compatible Models

This extractor pin is compatible with the following Smith & Wesson semi-automatic pistol models:

2nd Generation (Model 39/59 Series):

• Model 39 - 9mm, single-stack, alloy frame
• Model 439 - 9mm, single-stack, alloy frame, improved
• Model 459 - 9mm, double-stack, alloy frame, improved
• Model 59 - 9mm, double-stack, alloy frame
• Model 559 - 9mm, double-stack, steel frame

3rd Generation Models:

• Model 410 - .40 S&W, alloy frame, compact
• Model 411 - .40 S&W, alloy frame, compact
• Model 3904 - 9mm, alloy frame, compact
• Model 3914 - 9mm, alloy frame, compact, bobbed hammer
• Model 3944 - 9mm, alloy frame, compact, double-action-only
• Model 3954 - 9mm, alloy frame, compact, double-action-only
• Model 5904 - 9mm, alloy frame, full-size

About This Part

The extractor pin is a vital component of the extraction system on Smith & Wesson semi-automatic pistols. This precision-manufactured pin secures the extractor to the slide, preventing it from moving out of position or falling out during operation, disassembly, or maintenance. The extractor pin ensures the extractor remains properly aligned and positioned to grip the rim of the cartridge case and pull it rearward out of the chamber as the slide cycles.

Without a properly installed extractor pin, the extractor could shift position, fall out of the slide, or fail to function correctly. This small but critical pin is essential for reliable extraction and safe firearm operation. The extractor pin must be precisely manufactured to exact tolerances to fit securely in the slide while allowing proper extractor movement and function.

The extractor itself is one of the most critical components for reliable cycling. It grips the rim of the cartridge case after chambering and holds it against the breech face during firing. As the slide recoils, the extractor pulls the spent case rearward until it contacts the ejector, which kicks it out of the pistol. The extractor pin keeps this entire system functioning properly by securing the extractor in place.

A worn, damaged, or missing extractor pin can cause extractor malfunctions, extraction failures, stovepipe malfunctions, or even loss of the extractor during operation. Replacing it with a genuine Smith & Wesson factory part ensures proper extractor retention and reliable extraction.

Why Choose Factory OEM Parts?

When it comes to critical extraction components like the extractor pin, using genuine Smith & Wesson factory parts ensures:

• Precise dimensions: Manufactured to exact Smith & Wesson specifications for proper fit and retention
• Reliable operation: Correct diameter and length ensure secure extractor retention
• Quality materials: Proper steel composition ensures durability and resistance to wear
• Perfect compatibility: Designed specifically for 2nd and 3rd Generation pistols
• Long-lasting performance: Factory parts are built to withstand thousands of firing cycles
• Safety assurance: OEM parts meet Smith & Wesson's strict quality and safety standards

Installation Notes

Installation of the extractor pin requires disassembly of the slide and removal of the extractor assembly. This work should be performed by a qualified gunsmith if you are not experienced with Smith & Wesson semi-automatic pistol slide disassembly and reassembly. Proper installation is critical for safe and reliable firearm operation.

Installation overview:

1. Ensure the pistol is completely unloaded
2. Field strip the pistol and remove the slide from the frame
3. Remove the firing pin assembly from the slide
4. Remove the extractor from the slide
5. Remove the old extractor pin (if present)
6. Install the new factory extractor pin to secure the extractor
7. Reassemble the extractor and firing pin assembly
8. Verify the extractor is properly retained and moves freely
9. Test extraction function with snap caps before live fire

Important: Always follow proper firearm safety procedures. Ensure your pistol is unloaded and pointed in a safe direction before performing any maintenance or parts replacement. Verify proper extractor retention and function after installation.

About Smith & Wesson 2nd and 3rd Generation Pistols

Smith & Wesson's 2nd Generation (Model 39/59 series, 1970s-1980s) and 3rd Generation (four-digit models, 1980s-2000s) semi-automatic pistols are renowned for their quality construction, reliability, and accuracy. These pistols have served law enforcement, military personnel, and civilian shooters for decades. The extraction system is critical for reliable cycling, and components like the extractor pin are essential for maintaining safe and reliable operation. Maintaining these classic pistols with genuine factory parts ensures they continue to operate reliably.

Note: This is a factory-new OEM part from Smith & Wesson. Always verify part compatibility with your specific pistol model before ordering.