Beretta PMXs SBR

Published on May 4, 2024
Duration: 14:31

This video reviews the Beretta PMX submachine gun, specifically an SBR conversion featuring an A3 Tactical stock and foregrip. The reviewer highlights its polymer construction, ambidextrous controls, and compatibility with B&T pattern magazines. Testing included various ammunition types, noting reliability with defensive rounds and some feeding issues with specific loads and older B&T magazines.

Quick Summary

The Beretta PMX is a modernized polymer subgun with a blowback, open bolt, full-auto operation, and ambidextrous controls. This SBR conversion features an A3 Tactical stock and foregrip, and importantly, utilizes B&T pattern magazines for enhanced compatibility and reliability.

Chapters

  1. 00:00Introduction to Beretta PMX SBR
  2. 00:40Thanks to SDI & Sponsor Mention
  3. 01:07Beretta PMX Overview & SBR Conversion
  4. 01:21A3 Tactical Stock and Riser
  5. 01:35PMX History and Design Origins
  6. 02:05Comparison to PM12 Subgun
  7. 02:16Blowback, Open Bolt Operation
  8. 02:50Barrel Specs and Suppressor
  9. 03:03A3 Tactical Foregrip Assembly
  10. 03:30Picatinny Rail System
  11. 03:42Ambidextrous Controls
  12. 04:02Polymer Lower Receiver
  13. 04:30Bolt Stop Location
  14. 04:37Charging Handle Reversibility
  15. 05:05Gideon Optics Mediator
  16. 05:13Magazine Compatibility (B&T)
  17. 05:36Weight and Balance Discussion
  18. 05:53Shooting Experience and Recoil
  19. 06:15Testing Remington UMC 147gr
  20. 06:32Failure to Feed Observation
  21. 07:06Testing Remington Subsonic 147gr
  22. 08:18Magazine Issue with B&T Mags
  23. 08:47B&T Magazine Cracking Issues
  24. 09:15Testing Sellier & Bellot 124gr
  25. 09:50Failures to Feed with S&B Ammo
  26. 10:17Adjusting Rate of Fire
  27. 10:47Overall Shooting Impression
  28. 11:22Testing Federal 124gr Hydroshock
  29. 11:47Magazine Choice Rationale
  30. 12:06Accuracy Test with Hydroshocks
  31. 12:44Final Thoughts and Reliability
  32. 13:10Future Testing Plans
  33. 13:40Thanks to Beretta & Future Videos

Frequently Asked Questions

What are the key features of the Beretta PMX submachine gun?

The Beretta PMX is a modernized polymer subgun featuring a blowback, open bolt, full-auto operation. It boasts ambidextrous safety and magazine release, a reversible charging handle, and utilizes B&T pattern magazines. It has a 6.9-inch barrel threaded 1/2x28 and a polymer lower receiver.

What modifications were made to the Beretta PMX in this review?

This Beretta PMX was converted into a Short-Barreled Rifle (SBR). It features an A3 Tactical stock with a riser for improved ergonomics and an A3 Tactical foregrip assembly. A Whip Machine 9mm suppressor was also attached for testing.

How does the Beretta PMX perform with different types of ammunition?

The PMX showed good reliability with Federal 124gr Hydroshock defensive ammunition. Some feeding issues were observed with Remington UMC 147gr and Sellier & Bellot 124gr loads, particularly with older B&T magazines. Subsonic ammunition also cycled adequately with the suppressor.

What is the magazine compatibility of the Beretta PMX?

A notable feature of the Beretta PMX is its compatibility with B&T pattern magazines. This allows users to leverage a widely available and respected magazine platform for their subgun.

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