TC73 9mm is a disaster.

Published on May 3, 2026
Duration: 2:41

This video details significant quality control failures in the TC-73 9mm firearm, a clone of the Winchester 1873. Key issues include dangerously excessive headspace, leading to unsupported cartridges, case blowouts, and gas leakage. Further problems involve improperly staked toggle link pins that can fall out, causing the firearm to seize, and inconsistent Loctite application on screws, with some excessively applied and others absent. These issues render the firearm unreliable and potentially unsafe.

Quick Summary

The TC-73 9mm firearm exhibits severe quality control failures, most notably dangerously excessive headspace. This leads to unsupported cartridges, case blowouts, and gas leakage. Further issues include improperly staked toggle link pins that can fall out and jam the firearm, alongside inconsistent Loctite application on screws, making it unreliable and potentially unsafe.

Chapters

  1. 00:02Introduction: TC-73 Postmortem
  2. 00:25Critical Headspace Issues
  3. 00:36No-Go Gauge Demonstration
  4. 01:03Unsupported Cartridge and Gas Leakage
  5. 01:21Case Blowout Incident
  6. 01:32Firing Pin and Light Strike Issues
  7. 01:37Firearm Seizure and Jamming
  8. 01:41Toggle Link Pin Failure
  9. 01:47Improperly Staked Pins
  10. 02:08Magazine Tube Screw Loctite Issues
  11. 02:20Inconsistent Loctite Application
  12. 02:32Widespread User Problems
  13. 02:36Conclusion: TC-73 is Worse Than Thought

Frequently Asked Questions

What are the primary quality control issues with the TC-73 9mm firearm?

The TC-73 9mm suffers from critically excessive headspace, leading to unsupported cartridges and potential case blowouts. Additionally, toggle link pins can fail due to improper staking, causing the firearm to jam. Inconsistent Loctite application on screws is also a significant problem.

How does excessive headspace affect the TC-73 9mm's safety and reliability?

Excessive headspace means the cartridge is unsupported during firing, increasing the risk of case blowouts and gas leakage, which can be dangerous. This condition also contributes to light strikes and firing pin issues, severely impacting the firearm's reliability.

What specific mechanical failures have been observed in the TC-73 9mm?

Observed failures include toggle link pins falling out due to improper staking, causing the firearm to seize. The bolt also fails to properly engage the cartridge due to excessive headspace, leading to unsupported rounds and potential blowouts.

What are the issues with Loctite application on the TC-73 9mm?

Loctite application is inconsistent. Some screws, like the magazine tube screw, have excessive Loctite, making them difficult to remove. Conversely, other users report screws falling out because Loctite was not applied at all.

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