SIG SAUER’s LEGION Series now extends to the P320-FLUX, a fully modular platform built on a LEGION gray FLUX chassis, P320 FCU, LEGION skeletonized trigger, and integrated compensated LEGION slide. The P320-FLUX LEGION pairs the agility and concealability of a 9mm handgun with the stability and functionality of a PCC-style platform, combining pistol speed with carbine-level precision and support.
This 9mm Luger delivers a 30-round capacity from a 3.9″ barrel and ships optic-ready with XRAY3 Day/Night sights for target acquisition across lighting conditions. Two 30-round magazines, a manual safety, and the integrated compensated LEGION slide work together to manage recoil and enhance control. The flared integral magwell accelerates magazine changes during operation.
Engineered with Special Operations Community input, the P320-FLUX LEGION incorporates a front Picatinny mount for accessory attachment and a non-reciprocating Picatinny optic mount for sight selection. Ambidextrous safety serves both left and right-handed operators, while a dual mag release system enables efficient magazine changes. The fully modular design transforms a compact 9mm platform into a precision-capable personal defense system suitable for training, tactical applications, or home defense.






