NEVER lose this part on your gun! 😵 #shorts #demolitionranch #civtac

Published on June 15, 2023
Duration: 0:39

This video highlights the critical importance of the firing pin retaining pin (cotter pin) in an AR-15 Bolt Carrier Group (BCG). Losing this small part can prevent the firearm from functioning. The content demonstrates its removal and reinstallation, emphasizing proper firearm maintenance and safety to avoid malfunctions.

Quick Summary

The firing pin retaining pin (cotter pin) is essential for securing the firing pin within an AR-15 Bolt Carrier Group (BCG). Without it, the firing pin can dislodge, preventing the firearm from firing. Always ensure it's correctly reinstalled after cleaning.

Chapters

  1. 00:00Intro: AR-15 BCG Importance
  2. 00:11Removing the Firing Pin Retaining Pin
  3. 00:24Why the Cotter Pin is Essential
  4. 00:32Reassembly & Maintenance Reminder

Frequently Asked Questions

What is the function of the firing pin retaining pin in an AR-15?

The firing pin retaining pin, also known as a cotter pin, is a small but vital component of the AR-15 Bolt Carrier Group (BCG). Its primary function is to secure the firing pin, preventing it from moving out of place or falling out during operation or maintenance.

What happens if you lose the firing pin retaining pin on an AR-15?

If you lose the firing pin retaining pin, the firing pin can become dislodged from the Bolt Carrier Group. This will prevent the firearm from being able to fire, as the firing pin will no longer properly strike the primer of the cartridge.

How do you remove the firing pin retaining pin from an AR-15 BCG?

The firing pin retaining pin can typically be removed using a small tool, such as a hook tool. The pin is usually inserted through a hole in the rear of the bolt carrier, and a tool can help grip and pull it out for disassembly.

Why is it important to reinsert the cotter pin after cleaning an AR-15 BCG?

Reinserting the cotter pin after cleaning is crucial for firearm safety and function. It ensures the firing pin remains properly seated within the Bolt Carrier Group, allowing the rifle to operate reliably and preventing accidental malfunctions.

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