Snake bit! Sig Copperhead MPX

Published on November 26, 2019
Duration: 19:13

This review details the Sig Copperhead MPX, a compact braced pistol variant of the MPX platform. The host, demonstrating high expertise, covers its civilian market design, necessary modifications for suppression and improved ergonomics, and range performance. Key insights include the importance of Gen 2 magazines, the benefits of aftermarket barrels and braces, and the firearm's overall reliability and compact nature, despite a high price point.

Quick Summary

The Sig Copperhead MPX is a compact, high-quality braced pistol. Recommended modifications include an aftermarket barrel for easier suppressor threading and a more stable side-folding brace like the SB Tactical FS1913. Ensure use of Gen 2 MPX magazines for optimal reliability.

Chapters

  1. 00:10Introduction to the Sig Copperhead MPX
  2. 00:41Design and Civilian Market Focus
  3. 01:20Reviewer's Modifications: Barrel & Brace
  4. 02:05Optics Setup: Trijicon MRO
  5. 02:23Magazine Compatibility Explained (Gen 1 vs Gen 2)
  6. 03:36Unsuppressed Range Testing
  7. 04:32Brace Comparison: Factory vs SB Tactical
  8. 05:47Barrel & Suppression Challenges
  9. 07:02Suppressed Range Testing with SilencerCo
  10. 08:25Disassembly and Internal Features (Accu-wedge)
  11. 11:12Final Thoughts and Summary

Frequently Asked Questions

What are the key modifications recommended for the Sig Copperhead MPX?

The primary modifications recommended are replacing the factory barrel with an aftermarket one designed for easier suppressor threading (like from 'In Lead We Trust') and swapping the factory collapsible brace for a more stable side-folding brace, such as the SB Tactical FS1913.

Why are Gen 2 magazines important for the Sig Copperhead MPX?

Gen 2 Sig MPX magazines, distinguished by their flat dark earth followers, are essential for ensuring reliable feeding in newer firearms like the Copperhead. Older Gen 1 magazines may cause malfunctions and are not recommended for optimal performance.

What are the main advantages of the Sig Copperhead MPX?

The Sig Copperhead MPX is praised for its extremely compact size, high-quality construction, and reliable operation, making it a potent braced pistol for civilian use. Its short-stroke gas piston system contributes to its dependable performance.

What are the potential downsides of the Sig Copperhead MPX?

The main drawbacks mentioned are its high price point, which can be a significant investment, and the lack of a fully modular rail system on the handguard, which might limit accessory mounting options for some users.

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