CN Live | Shooting with Silencers - 3/9/17

Published on March 15, 2017
Duration: 6:24

This video discusses the significant impact of suppressors and ammunition choice on firearm performance, particularly accuracy. The speaker details how switching from 55-grain to hotter 75-grain ammunition, combined with a suppressor on an HK MR556, led to an overgassed condition and drastically reduced accuracy. It highlights the importance of understanding these dynamics for optimal shooting.

Quick Summary

Suppressors can significantly alter firearm dynamics, potentially causing overgassing which degrades accuracy. Heavier, hotter ammunition exacerbates this issue, especially on non-adjustable gas systems like the HK MR556 SPR. Understanding these factors is key to maintaining precision when shooting suppressed.

Chapters

  1. 00:09Introduction to Suppressed Shooting
  2. 00:46How Suppressors Affect Firearms
  3. 00:51HK MR556 SPR and Accuracy Issues
  4. 01:40Experiencing Accuracy Degradation
  5. 02:04The Dynamic of Suppressed Firearms
  6. 02:30Identifying Overgassing
  7. 03:00The Role of Ammunition Weight
  8. 03:39Constant Learning in the Gun World
  9. 04:02Beyond Just Attaching a Suppressor
  10. 04:56New Dynamics of Suppressed Guns
  11. 05:30Journey into Long-Distance Shooting
  12. 05:51Satisfaction in Long-Range Accuracy

Frequently Asked Questions

How does shooting with a suppressor affect firearm accuracy?

Shooting with a suppressor can significantly impact firearm accuracy. It can exacerbate overgassing issues, especially with certain ammunition types, leading to inconsistent cycling and shot placement. This requires careful tuning and ammunition selection for optimal performance.

What is an overgassed firearm and why is it a problem?

An overgassed firearm receives too much gas pressure from the fired round. This can cause the bolt carrier group to cycle too forcefully and rapidly, leading to malfunctions, increased wear on components, and a significant degradation in shooting accuracy.

Does ammunition weight matter when shooting suppressed?

Yes, ammunition weight is crucial when shooting suppressed. Heavier, hotter loads can increase the gas pressure sent back into the firearm's action, potentially leading to an overgassed condition that negatively affects accuracy and reliability.

What is the HK MR556 SPR and its relevance to suppressed shooting?

The HK MR556 SPR is a piston-driven AR-15 style rifle with a non-adjustable gas system. This lack of adjustability makes it more prone to overgassing when a suppressor is added or when using hotter ammunition, potentially causing accuracy problems.

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