FLUX 365 Raider GATR!

Published on October 2, 2025
Duration: 3:00

This guide details the assembly of the Flux 365 Raider chassis system, designed for the Sig Sauer P365. It covers FCU installation, slide assembly with aftermarket components like a True Precision barrel, optic mounting using a Gideon Optics Judge XL and Wheeler FAT Wrench, and accessory attachment including a Streamlight TLR-7 HL-X sub and Antimatter Industries Micro Wing. The process emphasizes proper torqueing and witness marks for reliability.

Quick Summary

The Flux 365 Raider is a chassis system for the Sig Sauer P365, featuring a rapid-deploying brace and integrated spare magazine carrier. Assembly involves installing the P365 FCU, a custom slide with a True Precision barrel, a Gideon Optics Judge XL red dot sight torqued with a Wheeler FAT Wrench, and a Streamlight TLR-7 HL-X sub weapon light.

Chapters

  1. 00:00Unboxing and Chassis Inspection
  2. 00:22FCU Installation
  3. 00:29Slide Assembly
  4. 00:56Optic Installation
  5. 01:19Weapon Light and Accessory Mounting
  6. 02:01Magazine and Function Check
  7. 02:47Holster Fitment

Frequently Asked Questions

What is the Flux 365 Raider?

The Flux 365 Raider is a chassis system designed to enhance the Sig Sauer P365 pistol. It features a rapid-deploying brace, an integrated spare magazine carrier, and allows for the mounting of various accessories like optics and weapon lights.

What tools are needed to assemble the Flux 365 Raider?

Assembly requires basic tools, including a Wheeler FAT Wrench for precise torque application on optics and accessories. A paint pen for witness marks and thread locker are also recommended for secure installations.

How do you install an optic on the Flux 365 Raider?

Install the optic by applying thread locker to the mounting screws, using a Wheeler FAT Wrench to torque them to the manufacturer's specifications, and then applying witness marks with a paint pen to ensure they do not loosen.

What accessories are shown being installed on the Flux 365 Raider?

The video demonstrates the installation of a Streamlight TLR-7 HL-X sub weapon light and an Antimatter Industries 'The Micro Wing' thumb rest onto the Flux 365 Raider chassis system.

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