FALCO Open-Top Pancake Holster for Grand Power X-Calibur

OWB Pancake Holster (Choose Options) - Allegiant Holster Co.

Falco Open Top OWB Leather holster, Model C603 - Tacworld Holsters

The Model 578 GLS Pro-Fit brings the unique GLS (Grip Lock System) and SafariSeven together in a holster designed to fit a wide variety of guns. The Pro-Fit is customizable and adjusts to securely fit over 60 firearms. The 578 also features the GLS, an innovative technology that automatically secures the weapon when holstered and releases it upon application of the middle finger with a standard shooting grip for a more intuitive and safer release.

Safariland 578 GLS Pro-Fit Holster - Black - Long Models

Leather IWB OWB Holsters for GRAND POWER X-CALIBUR

OWB Holsters

FALCO Open-Top Kydex Holster for Grand Power X-Calibur

Falco Open Top OWB Leather holster, Model C603 - Tacworld Holsters

For a big guy with wide shoulders who almost unconditionally wears a leather jacket, would an armpit holster be the most discreet and generally be the best (over all) for concealed carry?

Falco LVL II Pancake OWB KYDEX Holster Model C909 2021 - Tacworld Holsters