Sig M400 Tread 16" 5.56 Review

Published on January 7, 2021
Duration: 17:40

The Sig M400 Tread 16" 5.56 is presented as a strong contender in the sub-$1000 AR-15 market, exceeding expectations for an 'entry-level' Sig firearm. It boasts 100% reliability over 1100 rounds, a 16-inch 416R stainless steel barrel with a 1:8 twist, and enhanced ambidextrous controls. The primary drawback is the handguard's tendency to overheat due to a lack of ventilation.

Quick Summary

The Sig M400 Tread 16" 5.56 offers excellent reliability (100% over 1100 rounds) and enhanced ambidextrous controls, making it a strong value under $1000. Its 16-inch 416R barrel with a 1:8 twist aids accuracy, though the handguard can overheat due to a lack of ventilation.

Chapters

  1. 00:00Introduction & Round Count
  2. 00:58Market Positioning & Price
  3. 02:01Furniture & Trigger
  4. 04:49Controls & Reliability
  5. 07:52Barrel & Gas System
  6. 11:30Handguard Criticism
  7. 14:48Conclusion & Value

Frequently Asked Questions

What is the Sig M400 Tread's reliability like?

The Sig M400 Tread 16" 5.56 demonstrated excellent reliability in testing, with the reviewer reporting 100% function over 1100 rounds fired. This suggests a robust and dependable platform for its price point.

What are the key features of the Sig M400 Tread?

Key features include a 16-inch 416R stainless steel barrel with a 1:8 twist, a mid-length gas system, Magpul SL-K stock, and notably, enhanced ambidextrous controls like the safety selector and magazine release.

Is the Sig M400 Tread considered an entry-level rifle?

While it's Sig Sauer's entry-level AR-15 offering, it significantly outperforms many standard entry-level ARs. It's positioned as a mid-tier firearm with features often found on more expensive models, typically priced under $1000.

What is the main drawback of the Sig M400 Tread?

The primary criticism is the handguard, which lacks ventilation near the barrel nut. This causes it to become extremely hot after just a few magazines, requiring the use of gloves for safe handling.

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