POTD: The SIG Sauer P320-FLUX Legion

Eric B
by Eric B

In my opinion, this is one of the strangest modern firearm designs and makes for an excellent Photo Of The Day. The SIG Sauer P320-FLUX Legion is a modular handgun platform built around the P320 fire control unit. It includes a FLUX chassis in Legion gray, a compensated Legion slide, and a skeletonized trigger.

According to SIG Sauer, this setup blends a 9mm pistol with carbine-like stability, offering improved control while maintaining a compact form factor.

Key features include a spring-loaded stabilizing brace for quick deployment, an integrated flared magwell, a front Picatinny mount for accessories, ambidextrous safety and magazine release, a non-reciprocating optic mount, and two 30-round magazines.

During the SHOT Show, I had the opportunity to get acquainted, although briefly, with the setup. Very few pistol chassis seem to be suited for me, and I don’t think this one does it for me either. Of course, it requires some training to handle all the functions, but it was a lot more complicated than I first anticipated. That doesn’t mean it doesn’t look cool. 


Source: SIG Sauer

Eric B
Eric B

Ex-Arctic Ranger. Competitive practical shooter and hunter with a European focus. Always ready to increase my collection of modern semi-automatics, optics, thermals and suppressors. TCCC Certified. Occasionaly seen in a 6x6 Bug Out Vehicle, always with a big smile.

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  • Jef85102234 Jef85102234 7 days ago

    Good luck finding a holster. And if it's not a holster weapon, it's essentially a short rifle, of which there are probably many other examples that might be more useful.

    • Gray fox strategic out of Canada makes holsters with different options (various accessories on the gun such as the F10 charging handle, whether or not it’s got the side pic rails, holster mount options) starting at $154. As the popularity of the flux raider increases, more companies will make holsters for it.

      Plus it fits in a laptop bag quite easily.



  • WW WW 6 days ago

    SIG is pushing everything they can sell.


    I think the new rifle program will fail, and with it, the company.


    We don't need new caliber weapons, but better utilization of what we have.

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