The SIG MCX Rattler vs. The SIG MCX Rattler Conversion Kit with Navy SEAL "Coch"

Published on February 1, 2023
Duration: 5:36

This video compares the SIG MCX Rattler 'full-up' pistol to a SIG MCX Rattler conversion kit mounted on an AR pistol lower. The conversion kit offers flexibility, allowing users to leverage existing AR pistol platforms and potentially ship directly to their door, bypassing FFL transfer for the upper receiver. The full Rattler requires FFL transfer as it's a complete firearm. Both platforms feature 5-inch barrels and are discussed in terms of caliber interchangeability, cost, and shooting characteristics.

Quick Summary

The SIG MCX Rattler conversion kit offers flexibility by mounting on an AR pistol lower and can often ship directly to consumers. In contrast, the full-up SIG MCX Rattler is a complete firearm requiring FFL transfer. Both feature 5-inch barrels and are easily convertible between 5.56 NATO and 300 Blackout.

Chapters

  1. 00:19Introduction: MCX Rattler vs. Conversion Kit
  2. 01:00MCX Rattler Conversion Kit Details
  3. 01:47Full-Up SIG MCX Rattler Overview
  4. 02:12Lower Receiver Differences: QD Sockets & Mag Release
  5. 03:02Shooting Demonstration: Conversion Kit (5.56)
  6. 03:23Shooting Demonstration: Full-Up Rattler (300 BLK)
  7. 03:46Post-Shooting Comparison: Flash & Blast
  8. 04:17Weight and Feature Comparison
  9. 04:24Caliber Interchangeability: 300 BLK vs. 5.56
  10. 04:39Ammunition Availability and Cost
  11. 04:55Barrel Length and Twist Rate
  12. 05:11Future of 300 Blackout Pricing
  13. 05:24Conclusion and Call to Action

Frequently Asked Questions

What is the main difference between a SIG MCX Rattler conversion kit and a full-up SIG MCX Rattler?

The conversion kit allows you to use an existing AR pistol lower, shipping directly to your door. The full-up SIG MCX Rattler is a complete firearm that must be transferred through an FFL dealer.

Can AR-15 triggers be used with the SIG MCX Rattler conversion kit?

No, AR-15 triggers are not compatible with the SIG MCX Rattler platform. The conversion kit includes a specific SIG two-stage trigger to ensure proper function.

How easy is it to switch calibers on the SIG MCX Rattler?

The SIG MCX Rattler is considered one of the easiest PDW platforms for caliber conversion. Swapping between 300 Blackout and 5.56 NATO typically involves removing just a few bolts to change the barrel.

What are the pros and cons of 5.56 NATO versus 300 Blackout in the SIG MCX Rattler?

5.56 NATO is more common and cheaper for training, but produces more flash and blast from the short barrel. 300 Blackout is optimized for short barrels, offering a more subdued muzzle signature.

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