The New SIG Sauer SIG M400

Published on April 30, 2011
Duration: 1:09

Dave Grimshaw, Rifle Product Manager at Sig Sauer, introduces the new SIG M400 rifle platform at the NRA show. This AR-style rifle features a direct impingement gas system, ambidextrous controls, and an M4-style configuration. Key specifications include a 1 in 7 twist chrome-lined barrel and a 0-600 meter adjustable rear sight. The M400 shares many design elements with the SIG 516.

Quick Summary

The SIG M400 is an AR platform rifle featuring a direct impingement gas system, distinguishing it from gas piston models. It includes ambidextrous controls, an M4 handguard and stock, an A2 pistol grip, and a 1 in 7 twist chrome-lined barrel with a 0-600 meter adjustable rear sight.

Chapters

  1. 00:06Introduction: SIG M400 Launch
  2. 00:13SIG M400 Platform Overview
  3. 00:26Key Features & Design Elements
  4. 00:45Sights and Barrel Specifications
  5. 00:56Where to Find More Information

Frequently Asked Questions

What type of gas system does the SIG M400 use?

The SIG M400 is an AR platform rifle that utilizes a direct impingement gas system. This is a key distinction from other Sig Sauer rifle models like the SIG 516, which employs a gas piston system.

What are the key ergonomic features of the SIG M400?

The SIG M400 incorporates ambidextrous features, similar to the SIG 516, enhancing its usability for a wider range of shooters. It also features an M4 type stock and an A2 pistol grip.

What are the barrel specifications for the SIG M400?

The SIG M400 features a 1 in 7 twist rate barrel. It is chrome-lined, has a chrome bore, and a phosphate finish, which contributes to its durability and performance.

Where can I find more information about the SIG M400?

For more detailed information about the SIG M400 rifle, you can visit the official Sig Sauer website at sigsauer.com. They may also have information available at industry trade shows like the NRA show.

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