CMMG Banshee Back From the Dead

Published on July 31, 2024
Duration: 7:52

This video details troubleshooting efforts for a CMMG Banshee 9mm PCC that has experienced repeated malfunctions, including failure to extract and double feeds. After contacting CMMG and awaiting a response, the presenter replaced the buffer tube and spring assembly, cleaned, and lubricated the firearm. Testing at 120 meters with 33-round Glock magazines showed improved performance, with no malfunctions observed over approximately 99 rounds.

Quick Summary

Troubleshooting a CMMG Banshee 9mm that suffered from failure to extract and double feed malfunctions involved replacing the buffer tube and buffer spring assembly. After this component swap and a thorough cleaning, the firearm demonstrated improved reliability, successfully cycling three 33-round Glock magazines without issues during range testing.

Chapters

  1. 00:16Introduction & Problem Statement
  2. 00:20CMMG Banshee 9mm Issues
  3. 01:21Troubleshooting Steps Taken
  4. 01:48Buffer Tube & Spring Replacement
  5. 02:02Range Test Setup (120m)
  6. 02:34Initial Range Test Observations
  7. 03:12Betting on Reliability (3 Mags)
  8. 04:41Standing Rapid Fire Test
  9. 05:17Bolt Lock Back
  10. 05:24Final Magazine Test
  11. 06:10End of Ammunition
  12. 06:20Conclusion & Next Steps
  13. 07:13Support the Channel

Frequently Asked Questions

What were the main malfunctions experienced with the CMMG Banshee 9mm?

The CMMG Banshee 9mm in this video experienced significant reliability issues, primarily manifesting as failure to extract and double feeds. These malfunctions prevented the firearm from cycling properly.

What troubleshooting steps were taken to fix the CMMG Banshee 9mm malfunctions?

The presenter replaced the buffer tube and buffer spring assembly with a different unit. Additionally, the firearm was thoroughly cleaned and lubricated as part of the troubleshooting process.

Did replacing the buffer assembly fix the CMMG Banshee 9mm's reliability issues?

After replacing the buffer tube and spring assembly, the CMMG Banshee 9mm performed significantly better. The video shows it successfully firing three 33-round Glock magazines without any malfunctions.

What accessories were used during the CMMG Banshee 9mm range test?

During the range test, the CMMG Banshee 9mm was equipped with an EOTech EXPS2 optic for aiming and a thousand-lumen rifle light. It was also tested using 33-round Glock magazines.

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