The P320 isn't just unsafe, it's also far less reliable than you've been led to believe.

Published on May 10, 2025
Duration: 1:19

This video from Regular Guy Training LLC highlights significant reliability issues observed with the SIG Sauer P320 during intensive training courses. The instructor details common malfunctions like stovepipes, failures to feed, and component failures such as broken extractors and ejectors, attributing some to magazine overinsertion. The video also critiques the P320's optics mounting system as being inferior to that of a Glock MOS.

Quick Summary

The SIG Sauer P320 exhibits significant reliability issues during intensive training, including frequent stovepipes, failures to feed, and breakages of extractors and ejectors. Magazine overinsertion is cited as a cause for ejector failure, which is part of the Fire Control Unit. The P320's optics mounting plate is also criticized as being inferior to the Glock MOS system.

Chapters

  1. 00:00Introduction to P320 Reliability Concerns
  2. 00:05Training Course Structure and Round Count
  3. 00:17Common P320 Malfunctions: Stovepipes
  4. 00:31Failures to Feed and Component Breakages
  5. 00:33Extractor and Ejector Failures
  6. 00:39Magazine Overinsertion Issues
  7. 00:46Ejector as part of Fire Control Unit
  8. 00:53Comparison to Glock MOS Plate
  9. 01:06Critique of P320 Optics Mounting Plate

Frequently Asked Questions

What are the common reliability issues reported with the SIG Sauer P320 during intensive training?

During high-volume training exceeding 2,000 rounds, the SIG Sauer P320 frequently experiences stovepipe malfunctions, failures to feed, and component breakages. Extractors and ejectors have been noted to break, with ejector issues potentially linked to magazine overinsertion.

How does the SIG Sauer P320's optics mounting system compare to alternatives like Glock MOS?

The instructor suggests that the SIG Sauer P320's optics mounting plate is even worse than the Glock MOS plate. While the Glock MOS plate has its own known issues such as warping and sensitivity to overtightening screws, the P320's system is deemed less effective.

What are the implications of a broken ejector on a SIG Sauer P320?

If an ejector breaks on a SIG Sauer P320, it's a significant issue because the ejector is integrated into the Fire Control Unit (FCU). This means repairing or replacing it involves the core serialized component of the firearm, making the process more complex.

Can magazine overinsertion cause malfunctions in the SIG Sauer P320?

Yes, the video indicates that the SIG Sauer P320's design makes it relatively easy to overinsert magazines. This action can lead to the breaking of the ejector, a critical part of the firearm's function.

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