Flux Defense P365 Ultra-Light Chassis System fully extended with Sig P365XL – the new Vehicle Defensive Weapon (VDW)

Flux Defense Launches P365 Ultra-Light Chassis System: Introducing the VDW Vehicle Defensive Weapon

Published on November 24, 2025 – Flux Defense has unveiled its innovative P365 Ultra-Light Chassis System, revolutionizing personal defense with the introduction of the V.D.W. (Vehicle Defensive Weapon). This compact system transforms the popular Sig P365 into a high-performance, ultra-lightweight PDW ideal for vehicle storage and quick deployment.

If you’re searching for a lightweight, concealable firearm accessory that enhances control, capacity, and speed, the Flux Defense P365 Ultra-Light Chassis System is a game-changer. Designed to fit in a glovebox, center console, or under the seat, it offers unparalleled maneuverability inside a vehicle’s cabin while shipping complete with a versatile 2.0 adjustable IWB/OWB holster.

What is the Flux Defense P365 Ultra-Light Chassis System?

The Flux Defense P365 Ultra-Light Chassis System is a standalone component that upgrades existing Sig P365 firearms (slides, barrels, and magazines not included). It delivers double the rounds of a standard pistol, improved accuracy, control, and velocity—all in a package that’s 3 inches shorter and 85% lighter than an MP5K. At just 8.7 ounces, it’s perfect for tactical users seeking reduced fatigue and enhanced performance.

This system defines a new category: the Vehicle Defensive Weapon (VDW), emphasizing compact size for vehicle-based defense without sacrificing firepower.

Key Features of the P365 Ultra-Light Chassis System

• Patented Speedload System: Enables faster reloads than traditional pistols or other PDWs, giving users a critical edge in high-pressure situations.
• Enhanced Capacity: Supports up to 50 rounds with optional magazine extensions for extended engagement.
• Superior Control: Built-in shroud for a secure C-clamp grip, promoting flatter shooting and better accuracy on follow-up shots.
• Lightweight, Durable Construction: Made from military-grade glass-filled nylon and S7 steel, with a Type 3 hard anodized shroud for resilience without bulk.
• Optimal Velocity Option: Optional 6-inch barrel increases velocity, outperforming an MP5K.
• Included 2.0 Adjustable Holster: Versatile design for hard-mounting in vehicles or carrying IWB/OWB, ensuring immediate usability.

Specifications at a Glance

• Compact Dimensions (Collapsed): 9.75″ L x 4″ W x 1.375″ H
• Extended Dimensions: 18.5″ L x 4″ W x 1.25″ H
• Ergonomic Length of Pull: 13.5″ for comfortable handling.
• Weight: 8.7 ounces

Why Choose the Flux Defense P365 Ultra-Light for Vehicle Defense?

As Cory David, CEO of Flux Defense, stated: “We are incredibly excited to introduce the P365 Ultra-Light Chassis System and define a new category with our VDW – Vehicle Defensive Weapon. Our focus was on creating a system that is not only extraordinarily light and concealable but also significantly enhances performance, speed, and user control. This system is small enough to deploy and shoot inside the cabin, fitting perfectly in a glovebox or center console. By including our new 2.0 adjustable holster that can be hard-mounted in a vehicle or carried, we’re ensuring users have an immediate, versatile solution right out of the box. The road is dangerous. Protect your ride.”

This chassis empowers Sig P365 owners to maximize their pistol’s potential, making it a formidable tool for both tactical and recreational use.

Compatibility and Important Notes

The P365 Ultra-Light Chassis is compatible with specific P365 slides, including P365XL, TACOPS, and P365 FUSE. It is not compatible with short (standard) P365 slides or 12-15 round magazines. For optimal performance, use 17-21 round P365 magazines.

Where to Buy the Flux Defense P365 Ultra-Light Chassis System

The system is now available for purchase through authorized dealers and online at fluxdefense.com. For more EDC accessories and firearm upgrades, explore PopularEDC.com

Stay protected on the road with the innovative Flux Defense P365 Ultra-Light Chassis System—your ultimate VDW solution.