Description
The Flux Raider 365 Ultralight puts genuine PDW capability into the most concealable package possible. It's a chassis system that drops your P365 fire control unit into a stabilized platform with a spring-loaded side-folding brace that deploys at the press of a button. When it's collapsed, the profile stays slim enough to carry on your body all day without printing or feeling like extra weight. When you need it, the brace snaps out in under a second, and suddenly you've got three to four points of contact for shooting that feels more like a rifle than a handgun.
What Makes the Ultralight Different
Flux switched from aluminum to advanced polymer composite for this version, cutting close to four ounces from earlier designs. The frame is reinforced where it matters most with S7 tool steel components, so you get duty-grade durability without the weight. The Type III hard-coat anodized shroud resists wear and corrosion, and the textured polymer grip stays secure whether you're running it suppressed or not. At 8.7 oz, it's 85% lighter than an MP5K and only 1 inch longer than a Glock 17 when extended to 18.5 inches.
Performance That Actually Works
The Raider 365 Ultralight delivers genuine ballistic and control improvements. With 17, 21, or 25-round magazine compatibility, you can carry 40-plus rounds on the gun using Flux's patented dual magazine system. The shroud provides forward hand placement for better control during rapid fire, and the stock geometry sits at an angle that keeps your optic low enough to use iron sights easily. Designed with suppressor clearance built in, the 6-inch barrel option sits flush with the handguard to maintain the slim profile while maximizing velocity.
Built for Actual Carry
The included adjustable holster works IWB, OWB, or mounted off-body in a bag or vehicle. The brace collapses and deploys with a single button press, and nothing catches or snags. Whether you're running it appendix carry, behind the hip, or in a pack, it stays concealable without compromise. The P365 manual of arms carries over exactly, so if you know the pistol, you know this system.
Key Specifications
- Manufacturer: Flux Defense
- Model/Part Number: 161-00026
- UPC: 850080943014
- Color/Finish: Flat Dark Earth (FDE)
- Overall Length (Extended): 18.5 inches
- Overall Length (Collapsed): 9.75 inches
- Overall Height: 4 inches
- Overall Width: 1.25 inches
- Weight: 8.7 oz (chassis only)
- Length of Pull: 13.5 inches
- Compatible Slides: P365XL, P365 TACOPS, P365 FUSE (XL-length or longer)
- Magazine Compatibility: 17, 21, 25-round P365 magazines
- Construction: Advanced polymer composite with S7 tool steel
- Brace System: Spring-loaded side-folding with single-button deployment
- Suppressor Compatible: Yes
What’s Included
- Raider 365 Ultralight chassis (FDE)
- Adjustable IWB/OWB holster (Gen 2)
- Removable shroud
- Installation manual
Frequently Asked Questions
What P365 slides work with the Raider 365 Ultralight?
The Raider 365 Ultralight is designed for extended-slide P365s including the XL, TACOPS, and FUSE models. Do not use standard 3.1-inch P365 slides, as they can cause reliability issues and potential shroud interference. Flux recommends the TACOPS for optimal barrel length and weight distribution.
Does the Raider 365 Ultralight come with a firearm?
No, this is a chassis system only. It's not a firearm and contains no serialized parts. You need to supply your own P365 fire control unit, slide, and barrel. The chassis, brace, shroud, and holster are included.
What magazines work with this chassis?
The Raider 365 Ultralight requires extended-capacity magazines and works with 17, 21, and 25-round P365 magazines. It is not compatible with standard 12-15 round magazines. The dual magazine system allows you to carry a spare on the chassis itself.
How fast does the brace deploy?
The spring-loaded brace deploys in under one second from a collapsed carry position. The single-button release allows one-handed deployment, making the transition from concealed carry to stabilized shooting position fast and intuitive during stress.




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