SIG P226 Navy Mk25 & Mk24 Review and History

Published on June 28, 2019
Duration: 13:06

The SIG P226 Mk25 is a highly reliable 9mm combat pistol, favored by Navy SEALs for its durability and corrosion resistance due to phosphated internals and a robust one-piece stainless steel slide with Nitron coating. It features a DA/SA trigger system and an aluminum alloy frame, offering a balance of weight and strength. The Mk25 evolved from the Mk24, incorporating a Picatinny rail and tritium sights, making it a proven choice for maritime operations and general combat.

Quick Summary

The SIG P226 Mk25 is the official sidearm of the Navy SEALs, chosen for its durability and corrosion resistance. Key features include phosphated internal components for saltwater protection, a one-piece stainless steel slide with Nitron coating, and a DA/SA trigger system. It evolved from the Mk24, adding a Picatinny rail and night sights.

Chapters

  1. 00:00Introduction: SIG P226 Navy Mk25
  2. 00:45Key Features & SEAL Endorsement
  3. 01:07Caliber and Frame Construction
  4. 01:27Slide Evolution and Coatings
  5. 02:35DA/SA Trigger System Explained
  6. 03:51Technical Specifications
  7. 05:32Historical Context: XM9 Trials
  8. 08:22Mk24 vs. Mk25 Differences
  9. 09:13Range Performance and Ergonomics
  10. 11:02Conclusion & Field Stripping

Frequently Asked Questions

What makes the SIG P226 Mk25 ideal for Navy SEALs?

The SIG P226 Mk25 is favored by Navy SEALs due to its robust construction, including phosphated internal components for superior saltwater corrosion resistance. Its reliable DA/SA trigger system and durable aluminum alloy frame also contribute to its effectiveness in demanding maritime operations.

What are the key differences between the SIG P226 Mk24 and Mk25?

The original Navy SIG P226 was the Mk24, featuring a proprietary curved rail. The Mk25, introduced in 2011, updated this with a standard MIL-STD-1913 Picatinny rail for accessory mounting and also includes tritium night sights for improved low-light visibility.

What is the trigger system on the SIG P226 Navy Mk25?

The SIG P226 Navy Mk25 features a Double Action/Single Action (DA/SA) trigger system. The first shot requires a heavier pull (around 10-13 lbs) which acts as a safety, while subsequent shots utilize a lighter single-action pull. It also includes a decocker for safe handling.

Why did the Navy SEALs choose the SIG P226 over the Beretta 92?

Although the Beretta 92 won the initial XM9 trials on price, the Navy SEALs adopted the SIG P226 due to concerns about potential slide failures with the Beretta and the SIG's proven superior performance and reliability, especially in harsh maritime environments.

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