SIG Sauer Introduces the P365-FLUX PDW
Author: Marko L. | Publish Date: Jul 12, 2025 | Fact checked by: Aleksa Miladinovic
Bridging the Gap Between Pistol and Carbine
The firearms industry has witnessed a continuous evolution in designs that attempt to merge the portability of handguns with the enhanced performance characteristics of pistol-caliber carbines. SIG Sauer's latest innovation, the P365-FLUX, represents a significant leap forward in this ongoing pursuit, delivering a compelling solution that addresses the demands of modern tactical applications.
World-Class Concealment Meets Enhanced Performance
Unprecedented Compactness Claims
SIG Sauer boldly positions the P365-FLUX as "the World's most concealable PDW," a claim supported by its remarkably compact dimensions. This innovative platform successfully transforms the proven P365 pistol into a more stable and precise shooting system while maintaining exceptional portability.
Dimensional Specifications
The P365-FLUX achieves remarkable compactness through its intelligent engineering:
- Overall Length: 19.12 inches
- Width (Deployed): 1.34 inches
- Width (Folded): 1.52 inches
- Weight: 49.2 oz (with one magazine)
Advanced Engineering and Design Features
Comprehensive Feature Set
The P365-FLUX incorporates multiple performance-enhancing elements that distinguish it from conventional pistol platforms:
Enhanced Capacity and Controls
- Magazine Capacity: 46 rounds (Sentry Model configuration)
- Ambidextrous Controls: Dual magazine release and ambidextrous control layout for enhanced user flexibility
Tactical Enhancements
- Muzzle Shroud: Integrated muzzle device for improved performance
- Front Picatinny Rail: Tactical accessory mounting capability
- Spring Deployable Brace: Quick-deployment stabilization system
Barrel System
- Custom 6-inch Barrel: Purpose-built barrel integrated with extended muzzle shroud for optimized performance
Construction Materials
The FLUX P365 Chassis utilizes advanced polymer construction, providing durability while maintaining the lightweight characteristics essential for a compact PDW platform.
Expandable Platform Options
Stock Configuration Flexibility
Beyond the standard brace configuration, the P365-FLUX platform offers additional customization options through optional SBR stocks, allowing users to tailor the system to their specific operational requirements and legal considerations.
Market Positioning and Applications
Target Applications
The P365-FLUX addresses the growing demand for compact weapons systems that can deliver carbine-like performance in a highly portable package. This versatility makes it particularly suitable for:
- Close-quarters defensive applications
- Tactical operations requiring enhanced concealment
- Situations demanding rapid deployment capabilities
- Users seeking improved stability over traditional pistol platforms
Innovation in Personal Defense Weapons
The P365-FLUX represents SIG Sauer's continued commitment to pushing the boundaries of conventional firearms design. By leveraging the proven P365 platform as a foundation, the company has created a system that maintains the reliability and ergonomics users expect while dramatically expanding capability.
Conclusion
The SIG Sauer P365-FLUX stands as a testament to modern firearms engineering, successfully combining the concealment advantages of a compact pistol with the enhanced performance characteristics traditionally associated with longer-barreled platforms. Its innovative design approach and comprehensive feature set position it as a significant advancement in the personal defense weapon category.
Specifications | 365FLUX-9-BXR3 | 365FLUX-9-BXR3-RXSL | 365FLUX-9-BXR3-RXSL-TACKIT |
---|---|---|---|
CALIBER | 9mm Luger | 9mm Luger | 9mm Luger |
PISTOL SIZE | Compact PDW | Compact PDW | Compact PDW |
MAGS INCLUDED | (1) 17rd / (2) 21rd Steel Mags | (1) 17rd / (2) 21rd Steel Mags | (1) 17rd / (1) 25rd / (2) 21rd Steel Mags |
SIGHTS | XRAY3 Day/Night Sights | XRAY3 Day/Night Sights | XRAY3 Day/Night Sights |
OPTIC READY | Yes | Yes | Yes |
SIGHT RADIUS | 5.6 in | 5.6 in | 5.6 in |
SLIDE FINISH | Nitron® | Nitron® | Nitron® |
SLIDE MATERIAL | Stainless Steel | Stainless Steel | Stainless Steel |
ELECTRO-OPTIC INSTALLED | No | Yes | Yes |
TRIGGER ACTION | Striker | Striker | Striker |
TRIGGER TYPE | Flat Faced | Flat Faced | Flat Faced |
MANUAL SAFETY | Yes | Yes | Yes |
FRAME MATERIAL | Stainless Steel | Stainless Steel | Stainless Steel |
GRIP MODULE | FLUX P365 Chassis | FLUX P365 Chassis | FLUX P365 Chassis |
GRIP MATERIAL | Standard Polymer | Standard Polymer | Standard Polymer |
GRIP COLOR | Black | Black | Black |
ACCESSORY RAIL | 1913 Picatinny Rail | 1913 Picatinny Rail | 1913 Picatinny Rail |
FCU MATERIAL | Stainless Steel | Stainless Steel | Stainless Steel |
BARREL LENGTH | 6 in [152.4 mm] | 6 in [152.4 mm] | 6 in [152.4 mm] |
THREADED BARREL | No | No | No |
BARREL MATERIAL | Carbon Steel | Carbon Steel | Carbon Steel |
OVERALL LENGTH | 19.12 in | 19.12 in | 19.12 in |
OVERALL WIDTH | 1.34 in Deployed / 1.52 in Folded | 1.34 in Deployed / 1.52 in Folded | 1.34 in Deployed / 1.52 in Folded |
HEIGHT | 7.75 in | 7.75 in | 7.75 in |
WEIGHT | 49.2 oz [ONE MAG] | 49.2 oz [ONE MAG] | 34.2 oz [ONE MAG] |
Author:
Marko Lalovic

Marko is a dedicated aviation enthusiast whose passion began with an unforgettable encounter with fighter jets at an air show in his home country. As an audiophile and sound engineer by training, Marko was initially captivated by the distinctive sonic signature of military aircraft—the thunderous roar of afterburners and the precise mechanical symphony of aviation systems. This auditory fascination evolved into a comprehensive interest in defense technology, particularly firearms engineering and ballistics acoustics.