Description
SIG Sauer P365-FLUX with ROMEO-X SIG-LOC 9mm Pistol, 6" Barrel, 21/17-Round
The SIG P365-FLUX with ROMEO-X SIG-LOC is SIG’s P365 in the FLUX chassis: a 6 in. barrel, a spring-deployed brace, and 21-round and 17-round magazines.
The SIG P365-FLUX puts a P365 fire control unit in the FLUX chassis. A 6 in. barrel runs inside a muzzle shroud. A spring-deployed brace folds against the chassis. XRAY3 day/night sights sit on the slide. A factory ROMEO-X Compact mounts on SIG-LOC Compact. Magazines are 21-round and 17-round P365 9mm magazines. The chassis is the whole point: more barrel, more magazine, and more rail around the same P365 FCU. Handguns ship to a licensed FFL.
FLUX is a chassis around a P365 fire control unit. SIG-LOC Compact is not a drop-in RMSc plate. Compact RMSc sights do not mount the same way. The brace folds against the chassis. Magazines are P365 9mm.
Magazines, holsters, and lights have to match this slide, grip, and caliber. The original polymer 3.1 in. P365 is a different holster and magazine set. P365X, XL, XMacro, Fuse, and AXG Legion live on their own pages.
This P365-FLUX
This FLUX chassis uses a 6 in. barrel and 21-round and 17-round magazines. A factory ROMEO-X Compact sits on SIG-LOC Compact. A spring-deployed brace folds against the chassis.
What ships
21-round and 17-round magazines ship in the box with the FLUX chassis.
Specifications and Included Items
- Model: 365FLUX-9-BXR3-RXSL
- Caliber: 9mm Luger
- Barrel: 6 in.
- Magazines: 21/17-round
- Sights: XRAY3 day/night sights
- Optic: Factory ROMEO-X Compact on SIG-LOC Compact
- Safety: No manual safety
- Finish: As pictured
- FFL: Handgun; ships to a licensed FFL dealer








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