Sig Sauer MPX 9mm

Published on August 7, 2015
Duration: 22:38

This guide details the field stripping and maintenance procedure for the Sig Sauer MPX 9mm, as demonstrated by an experienced firearms reviewer. It covers the disassembly of the upper and lower receivers, bolt carrier group, and the unique short-stroke gas piston system. The process emphasizes thorough cleaning and lubrication for optimal performance and reliability.

Quick Summary

The Sig Sauer MPX 9mm features a unique short-stroke gas piston system, distinguishing it from common blowback-operated 9mm firearms. It demonstrated outstanding reliability, completing 500 rounds without malfunctions. While the gas system can be slightly 'gassy,' it offers a distinct operating feel. Pricing ranges from $1,200 to $1,500, with spare magazines being notably expensive at $60-$80.

Chapters

  1. 00:00Introduction and Unboxing
  2. 01:06Magazines and Ammunition
  3. 02:25First Shots and Initial Impressions
  4. 03:07Optics and Co-Witnessing
  5. 04:47Rapid Fire and Gas System Observations
  6. 08:59Ejection Pattern and Reliability
  7. 11:34Field Stripping and Internals
  8. 13:05Box Contents and Accessories
  9. 14:43Final Thoughts and Pricing

Frequently Asked Questions

What makes the Sig Sauer MPX 9mm different from other 9mm pistols or PCCs?

The Sig Sauer MPX 9mm stands out due to its gas-operated system, specifically a short-stroke gas piston. This contrasts with many other 9mm firearms that utilize a simpler blowback operating system, offering a different recoil impulse and potentially cleaner operation.

How reliable is the Sig Sauer MPX 9mm?

During testing, the Sig Sauer MPX 9mm demonstrated exceptional reliability, functioning flawlessly through 500 rounds of various ammunition types without a single malfunction, exceeding the reviewer's expectations.

What are the key features of the Sig Sauer MPX 9mm's gas system?

The MPX employs a short-stroke gas piston system. While effective, this system can result in slightly more gas blowback around the shooter's face during rapid fire compared to blowback-operated firearms.

What is the typical price range for the Sig Sauer MPX 9mm?

The Sig Sauer MPX 9mm pistol typically retails between $1,200 for the base model. Versions that include a side-folding brace often fall into the $1,400 to $1,500 price range.

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