If Rolex Built an AK - SIG 556

Published on October 11, 2021
Duration: 14:26

This guide details the field stripping and operational features of the SIG 556 SWAT, as demonstrated by Brandon Herrera. It highlights the rifle's AK-style long-stroke gas piston system, unique trigger mechanism with assisted reset, side-folding stock that allows firing when folded, and similarities to AKM bolt carrier groups. The guide emphasizes the refined dust cover seal and the recoil spring's placement around the gas piston.

Quick Summary

The SIG 556 SWAT is often referred to as the "Rolex of AKs" because it combines the proven reliability of an AK-style long-stroke gas piston system with refined Swiss engineering and AR-like ergonomics. Its unique features include a side-folding stock that can be fired when folded, and a trigger mechanism with an assisted reset, all while chambered in 5.56x45mm NATO and accepting STANAG magazines.

Chapters

  1. 00:00Introduction: SIG 556 as "Rolex of AKs"
  2. 01:21Model Overview: SIG 556 SWAT, Caliber, Magazines
  3. 02:22Folding Stock and Firing Capability
  4. 04:08Field Strip and Unique Trigger Mechanism
  5. 05:06Internal Component Comparison: SIG 556 vs AKM
  6. 06:49Gas System and Recoil Spring Design
  7. 08:31Refined Dust Cover Seal
  8. 11:26Range Testing and Conclusion

Frequently Asked Questions

What makes the SIG 556 SWAT comparable to a "Rolex of AKs"?

The SIG 556 SWAT is called the "Rolex of AKs" due to its high-end Swiss engineering, refined features, and robust reliability derived from its AK-style long-stroke gas piston system, combined with AR-like ergonomics.

How does the SIG 556 SWAT's operating system differ from a standard AR-15?

Unlike AR-15s that use a direct impingement or short-stroke piston system with a buffer tube, the SIG 556 SWAT employs a long-stroke gas piston system similar to the AK platform. This allows for its side-folding stock to be fired when folded, as there is no buffer tube.

What is unique about the SIG 556 SWAT's trigger mechanism?

The SIG 556 SWAT features a distinctive trigger mechanism that includes a spring-loaded plunger. This component provides a 'spongy' or assisted reset feel, differentiating it from the triggers found on traditional AK or AR-15 platforms.

Can the SIG 556 SWAT be fired with its stock folded?

Yes, the SIG 556 SWAT can be fired with its stock folded. This is a significant advantage stemming from its AK-style operating system, which does not utilize a buffer tube, allowing for operation in confined spaces like vehicles.

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