Murom Mechanical MM Primers Are Trash!!!

Published on January 10, 2026
Duration: 11:51

This video provides a critical review of Murom Mechanical Large Pistol Primers (KVB-45E), labeling them as 'trash' due to consistent failures during live fire testing. The host, an experienced reloader, demonstrates multiple squib loads and dangerous hangfires when using these Russian-made primers in both Glock and Springfield Armory 10mm firearms. A control test with Remington primers confirmed the Murom primers as the sole cause of the malfunctions, leading to a strong recommendation to avoid them for safety reasons.

Quick Summary

Murom Mechanical KVB-45E Large Pistol Primers are critically reviewed for their unreliability, causing dangerous squib loads and hangfires during testing in 10mm firearms. A control test confirmed these Russian-made primers as the sole failure point, leading to a strong recommendation to avoid them for safe and effective reloading.

Chapters

  1. 00:00Introduction: Murom Primers Labeled 'Trash'
  2. 01:04Live Fire Testing: Glock 10mm Failures (Squibs & Hangfires)
  3. 02:56Failure Analysis: Insufficient Ignition Confirmed
  4. 08:16Cross-Platform Verification: Springfield XDM Test
  5. 10:16Control Test: Remington Primers Function Perfectly
  6. 11:24Conclusion: Avoid Murom Primers & Safety Advice

Frequently Asked Questions

What issues were encountered when testing Murom Mechanical Large Pistol Primers?

During testing in 10mm firearms, Murom Mechanical KVB-45E primers consistently failed, resulting in dangerous squib loads where bullets lodged in the barrel and hazardous hangfires due to delayed ignition.

How were the Murom primers confirmed as the cause of the malfunctions?

The host conducted a control test using the exact same ammunition load but substituting Murom primers with Remington 2 1/2 Large Pistol Primers. The firearm functioned flawlessly with the Remington primers, isolating the Murom primers as the sole point of failure.

What safety concerns arise from using unreliable primers like the Murom KVB-45E?

Unreliable primers can lead to critical safety issues. Squib loads can cause barrel obstructions, potentially leading to catastrophic firearm failure on subsequent shots. Hangfires create unpredictable delays in firing, increasing the risk of accidental discharge.

Are Murom Mechanical primers suitable for reloading?

Based on extensive testing shown in the video, Murom Mechanical KVB-45E Large Pistol Primers are deemed unreliable and potentially dangerous. The host strongly advises against their use due to consistent ignition failures.

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