Clean your AR-15/M-16 rifle or carbine (Now!)

Published on August 13, 2011
Duration: 22:13

This video provides a comprehensive guide to cleaning and maintaining the AR-15/M-16 platform, emphasizing the importance of a clean Bolt Carrier Group (BCG) to prevent stoppages. It details manual and ultrasonic cleaning methods, checks critical components like the gas key for tightness, and explains proper reassembly, including staggering gas ring gaps. The tutorial covers both upper and lower receiver maintenance, bore cleaning, and concludes with a function check.

Quick Summary

The Bolt Carrier Group (BCG) is the primary source of stoppages if not kept clean. During maintenance, ensure the gas key is tight, as a loose key can cause catastrophic failure. Stagger the gaps of the three gas rings during reassembly to prevent cycling issues.

Chapters

  1. 00:00Introduction and Disassembly
  2. 01:42Bolt Carrier Group (BCG) Disassembly
  3. 02:59Manual Cleaning and Gas Key Check
  4. 04:26Ultrasonic Cleaning Demonstration
  5. 06:01Bore and Lower Receiver Maintenance
  6. 11:34Upper Receiver and Chamber Cleaning
  7. 16:47Gas Ring Alignment and Reassembly
  8. 18:56Final Assembly and Function Check

Frequently Asked Questions

What is the most common cause of stoppages in an AR-15 or M-16 rifle?

The most common cause of stoppages in an AR-15 or M-16 rifle is a dirty Bolt Carrier Group (BCG). Regular and thorough cleaning of the BCG is essential for reliable firearm function.

How do you properly reassemble the gas rings on an AR-15 bolt?

When reassembling the bolt, it's critical to stagger the gaps (slots) of the three gas rings. Aligning these gaps can cause gas pressure to escape, leading to cycling issues.

Why is checking the gas key tightness important during AR-15 maintenance?

Checking the gas key's tightness is vital because if it shears loose during firing, it can cause significant damage to the upper receiver or lead to a catastrophic failure of the rifle.

What are the benefits of using an ultrasonic cleaner for AR-15 parts?

Ultrasonic cleaners, especially when used with heated solutions, effectively break down and remove stubborn carbon buildup, oils, and metal shavings from BCG components with minimal manual effort, providing a deep clean.

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