Flux Defense Raider 365: A Compact Pistol Chassis System

The Flux Defense Raider 365 represents a significant evolution in personal defense weapon design. This chassis system transforms a standard SIG Sauer P365 into a highly controllable, stable shooting platform without sacrificing concealability. As a complete pistol solution, the flux defense raider 365 bridges the gap between a traditional handgun and a compact carbine, offering users a distinct tactical advantage.

Overview

The flux defense raider 365 is not just another accessory; it is a purpose-built chassis that redefines how you carry and deploy a 9mm pistol. By integrating the P365 FCU and slide directly into the Raider frame, Flux Defense creates a system with a full-length forearm brace, integrated iron sights, and multiple accessory mounting points. This setup provides a stable three-point contact point, drastically improving accuracy and recoil management compared to a standard pistol. The chassis collapses to a footprint smaller than many duty-sized handguns, making it a viable option for discreet carry or vehicle storage.

Features & Specs

Every component of the flux defense raider 365 is engineered for reliability and performance in demanding environments. The chassis is constructed from impact-resistant polymer and features an integrated locking mechanism that secures the P365 slide in place. Below are the core specifications and design highlights:

• Manufacturer: Flux Defense. Model: Raider 365. Category: Pistol Chassis System. Caliber: 9mm (compatible with standard P365 FCU and slide).
• Integrated folding brace with adjustable length of pull and cheek weld for enhanced stability during rapid fire.
• Full-length Picatinny top rail for mounting red dot optics, and M-LOK slots on the forend for accessories like lights or lasers.
• Ambidextrous magazine release, extended bolt catch, and a built-in rear sight that co-witnesses with standard front sights.
• Collapsed length of approximately 5.5 inches, allowing for carry in a backpack or waist pack while maintaining immediate deployment capability.

Who It Is For

The flux defense raider 365 is designed for the discerning shooter who demands maximum capability from a compact platform. This includes civilian self-defense carriers who want superior accuracy under stress, security professionals needing a discreet yet effective option, and tactical shooters looking to maximize the utility of their P365. The system is particularly suited for those who prioritize a stable brace platform for one-handed or support-hand shooting, as well as users who frequently operate in confined spaces where a full-length rifle is impractical. It is not a beginner’s accessory but rather a specialized tool for users who understand the mechanics of pistol chassis systems and are willing to train with a unique manual of arms.

Shipping & FFL

This product is classified as a firearm frame or receiver under federal regulations. The flux defense raider 355 chassis itself requires the P365 FCU (fire control unit) to be installed, which includes the serialized component. As such, this item must be shipped to a Federal Firearms License (FFL) dealer in your state of residence. Upon purchase, you will be prompted to provide the shipping address of your chosen FFL. Please verify with your dealer that they accept shipments from online retailers. All federal, state, and local laws apply. A valid government-issued ID and a completed ATF Form 4473 will be required at the time of transfer. No shipments will be made to PO boxes. You are responsible for any transfer fees charged by the receiving FFL.

Specifications

Manufacturer Specifications

Manufacturer	Flux Defense. Model: Raider 365. Category: Pistol Chassis System. Caliber: 9mm (compatible with standard P365 FCU and slide).
SKU	ac-flux-defense-raider-365-b47874
Price	$688.85
Stock Status	Instock

Frequently Asked Questions

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