Slam Fires in SKS Rifles

Published on April 30, 2014
Duration: 8:38

This guide details the process of disassembling the SKS bolt to clean and maintain the free-floating firing pin. It addresses the common fear of slam fires by explaining the importance of a clean and free-moving firing pin, especially in imported SKS rifles that may be gummed up with cosmoline and dirt. Proper cleaning and reassembly ensure safe operation.

Quick Summary

SKS slam fires occur when the free-floating firing pin, often stuck forward by cosmoline or debris, ignites a primer upon chambering a round. Prevent this by disassembling the bolt, thoroughly cleaning the firing pin and channel, and ensuring the pin moves freely. This maintenance is crucial, especially for imported SKS rifles.

Chapters

  1. 00:00Introduction to SKS Slam Fire Fears
  2. 00:25Understanding the Free-Floating Firing Pin
  3. 00:53Free-Floating Firing Pin in Other Rifles (AK-47, M16, M14, M1 Garand)
  4. 01:38Why SKS Rifles are Feared: Import Condition
  5. 01:58Case Study: Heavily Gummed Up Chinese SKS
  6. 02:33The Solution: SKS Bolt Disassembly and Cleaning
  7. 02:54Removing the Firing Pin Retainer
  8. 03:19Cleaning the Firing Pin and Channel
  9. 03:40Reassembling the SKS Bolt
  10. 04:45Conclusion: No Fear with Proper Maintenance

Frequently Asked Questions

What causes slam fires in SKS rifles?

Slam fires in SKS rifles are typically caused by a free-floating firing pin that is stuck forward due to dried cosmoline, dirt, or rust. When a new round is chambered, the firing pin's inertia can ignite the primer, leading to an unintended discharge without the trigger being pulled.

How can I prevent slam fires in my SKS?

To prevent slam fires, thoroughly disassemble the SKS bolt, clean the firing pin and its channel meticulously, removing all cosmoline and debris. Ensure the firing pin moves freely. Regular maintenance is key to safe operation.

Is the free-floating firing pin design unique to the SKS?

No, the free-floating firing pin design is not unique to the SKS. It is also found in other well-known firearms such as the AK-47, M16, M14, and M1 Garand, indicating it's a reliable design when properly maintained.

What tools are needed to clean an SKS firing pin?

Essential tools for cleaning an SKS firing pin include a hammer, a nail set or punch for removing the retainer, a green scouring pad for cleaning, and potentially a .22 or .17 caliber rifle brush or swab for the firing pin channel. Paint thinner may be needed for heavy cosmoline buildup.

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