BCM AR15 - 8600 Rounds NO OIL & NO CLEANING

Published on April 23, 2024
Duration: 19:35

This BCM AR-15 endured 8,600 rounds without any oil or cleaning, demonstrating remarkable reliability. The test highlighted increasing sluggishness due to carbon buildup and heat, culminating in a failure to fire when the bolt didn't fully close. Gas port erosion was noted as a factor contributing to increased gas flow over time.

Quick Summary

A BCM AR-15 rifle completed an extreme endurance test, firing 8,600 rounds without any oil or cleaning. The rifle eventually experienced a failure to fire at the 8,600-round mark due to the bolt not fully closing into battery, a result of accumulated carbon fouling and heat.

Chapters

  1. 00:00Endurance Test Introduction: The Bickham
  2. 02:56Resuming the Test: Firing Begins
  3. 05:21Heat Management & Gas Erosion Analysis
  4. 08:15Reaching 8,000 Rounds: Sluggish Action
  5. 13:338,600 Rounds: First Failure to Fire
  6. 16:59Conclusion & Future Goals

Frequently Asked Questions

How many rounds did the BCM AR-15 fire without oil or cleaning in the test?

The BCM AR-15 rifle, nicknamed 'The Bickham', endured a total of 8,600 rounds without any lubrication or cleaning throughout the test. It had previously fired 7,580 rounds before the test was resumed.

What was the first failure encountered during the BCM AR-15 endurance test?

The first failure occurred at 8,600 rounds when the rifle experienced a failure to fire. The bolt did not fully close into battery, likely due to friction from carbon buildup and heat, preventing the hammer from striking the firing pin.

What signs of wear or malfunction were observed during the BCM AR-15 torture test?

As the round count increased, the rifle's action became visibly sluggish due to carbon fouling and lack of lubrication. Brass ejection forward was also observed, indicating gas port erosion which increases gas flow.

What ammunition and magazines were used in the BCM AR-15 endurance test?

The test primarily used Federal American Eagle 55-grain .223 Remington ammunition. Various magazines were employed, including Lancer, Surefeed, and Magpul PMAGs, all functioning reliably until the final failure.

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