The Sig M11A1 Pistol, the Classic P228

Published on August 28, 2018
Duration: 17:51

This video provides a detailed look at the Sig Sauer M11A1 pistol, tracing its lineage back to the P228 and discussing its development as an updated version. The presenter highlights the M11A1's one-piece stainless steel slide, improved extractor, and modified 15-round magazine capacity compared to the original P228. The video also covers the pistol's disassembly and reassembly process, emphasizing its reliability and quality construction, suitable for compact 9mm carry.

Quick Summary

The Sig Sauer M11A1 is an updated version of the classic P228 pistol, featuring a robust one-piece stainless steel slide and a 15-round magazine capacity. It offers improved reliability with a larger extractor and is considered a high-quality compact 9mm option.

Chapters

  1. 00:06Introduction to the Sig M11A1
  2. 00:30History: XM9 Trials and the P228
  3. 02:00P226 and P228 Construction (Sheet Metal Slides)
  4. 02:39The P229 and Solid Stainless Steel Slides
  5. 03:33P228 Law Enforcement Use and Transition to P229
  6. 04:07M11 Military Contract and SOCOM P226
  7. 04:34Mark 25 Navy SEAL Version
  8. 05:09M11A1: Update and Improvements
  9. 05:25M11A1 vs. P229: Slide and Extractor Comparison
  10. 06:09Sights and Magazine Capacity
  11. 06:46M11A1 Military Service Discussion
  12. 07:06Disassembly Process
  13. 07:20Recoil Spring and Guide Rod
  14. 08:20Barrel and Slide Machining
  15. 08:41Passive Firing Pin Block and Breech Face
  16. 09:27Decocker and Trigger Operation
  17. 09:46Trigger Pull Comparison (M11A1 vs. P229)
  18. 10:04Overall Quality and Value
  19. 10:18P228 Grips and Production Status
  20. 10:34Sheet Metal vs. One-Piece Slides
  21. 11:12Historical Issue with Unhardened Breech Faces
  22. 13:20Range Test Preview
  23. 13:26M11A1 Recap and History
  24. 13:39Magazine Capacity and Ammunition
  25. 16:44Outro and Call to Action

Frequently Asked Questions

What is the Sig Sauer M11A1 pistol?

The Sig Sauer M11A1 is a modern iteration of the classic P228 pistol, originally adopted by the US military as the M11. It features a one-piece stainless steel slide, improved extractor, and a 15-round magazine capacity, offering enhanced reliability and capacity over its predecessor.

What are the key differences between the Sig M11A1 and the original P228?

The primary difference is the slide construction: the M11A1 uses a solid, one-piece stainless steel slide, whereas the P228 used a stamped sheet metal slide. The M11A1 also features an improved extractor and a magazine that holds 15 rounds compared to the P228's 13 rounds.

Does the Sig M11A1 have military service history?

While the M11A1 bears a UID label, the presenter suggests it has likely not seen extensive military service. It's considered more of a commercially produced variant based on military specifications, an update to the original US government M11 (P228).

How does the trigger on the Sig M11A1 compare to other Sig pistols?

The M11A1 features a double-action/single-action trigger. The double-action pull is described as long and heavy but significantly lighter and more refined than the 'brutal' double-action pull found on some P229 models. The single-action pull is crisp.

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