New Sig Sauer M400 Switchblade | Guns & Gear

Published on September 3, 2021
Duration: 3:30

The Sig Sauer M400 SDI Switchblade is a compact AR-15 pistol variant featuring fully ambidextrous controls, including a unique ambidextrous bolt release. It boasts an 11.5-inch 5.56 NATO barrel with a 1:7 twist rate and Sig's Taper Lock system for suppressor integration. The pistol is equipped with a Magpul brace and a match-grade two-stage trigger, making it a shootable and accurate platform.

Quick Summary

The Sig Sauer M400 SDI Switchblade is a compact AR-15 pistol notable for its fully ambidextrous controls, including a unique ambidextrous bolt release. It features an 11.5-inch 5.56 NATO barrel with a 1:7 twist, Sig's Taper Lock muzzle system, a Magpul brace, and a match-grade two-stage trigger.

Chapters

  1. 00:07Introduction to Sig Sauer M400 Series
  2. 00:13Sig Sauer M400 SDI Switchblade Overview
  3. 00:21Ambidextrous Controls Explained
  4. 00:31The Ambidextrous Bolt Release Feature
  5. 00:47SBR vs. Pistol Versions
  6. 00:52Magpul Brace and Adjustability
  7. 01:03Front End Features: Barrel and Muzzle
  8. 01:12Sig Taper Lock System
  9. 01:53Shootability Enhancements
  10. 01:58Rattler Grip and Two-Stage Trigger
  11. 02:15Ambidextrous Charging Handle
  12. 02:26Off-Hand Shooting at 150 Yards
  13. 02:52Titanium Cerakote Finish
  14. 03:01Overall Impressions and Performance
  15. 03:12Conclusion: Sig Sauer M400 SDI Switchblade

Frequently Asked Questions

What makes the Sig Sauer M400 SDI Switchblade unique?

The Sig Sauer M400 SDI Switchblade stands out with its fully ambidextrous lower receiver, featuring ambidextrous safeties, magazine releases, and a distinctive ambidextrous bolt release, which significantly enhances usability for all shooters.

What are the key technical specifications of the Sig Sauer M400 SDI Switchblade pistol?

This pistol variant features an 11.5-inch 5.56 NATO barrel with a 1:7 twist rate. It incorporates Sig's Taper Lock system for suppressor integration and comes with a match-grade two-stage trigger for improved accuracy.

How does the Sig Taper Lock system benefit users?

The Sig Taper Lock system at the muzzle allows for the attachment of standard muzzle devices or provides a superior lock-up when used with Sig suppressors, increasing surface area for a more secure connection.

What accessories are included or notable on the M400 SDI Switchblade?

The pistol version is equipped with an adjustable Magpul brace, designed for comfort and adaptability to different shooter arm lengths. It also features a smaller 'rattler' grip for better handling.

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