The Viridian Weapon Technologies RFX-25 is compatible with your G3 T.O.R.O. You will need to use the Docter/Vortex adapter plate included with your Taurus to mount this optic.
No, the Viridian Weapon Technologies RFX-25 uses the Docter footprint while the Hellcat Pro is designed to accept optics with the RMSc footprint. The Viridian RFX-11 uses the RMSc footprint and would be a direct fit option for your Hellcat, it can be found by using the link below:
https://www.opticsplanet.com/viridian-weapon-technologies-rfx-11-1x16mm-micro-green-dot-sight.html
No, the Viridian Weapon Technologies RFX-25 uses the Doctor/Noblex mounting footprint, and since the Sig P226 Legion is dual cut for optics with the RMR or DPP footprint, you will not be able to mount this optic.
The CZ P-09 is not an optic ready pistol and would require an adapter that replaces the rear sight with an optic plate for Doctor/Noblex pattern footprints. Unfortunately, we do not currently carry a compatible adapter plate for the P-09.
No, the Viridian Weapon Technologies RFX-25 1x20mm Micro Green Dot Sight uses the Docter/Noblex footprint.
Assuming you have the C.O.R.E. model M&P to allow you to install this optic via the Docter/Noblex adapter plate, yes, you would achieve an absolute co-witness with the factory sights.
The Viridian Weapon Technologies RFX-25 1x20mm Micro Green Dot Sight is not compatible with the P365XL. You would need the Viridian Weapon Technologies RFX-15 1x21mm Micro Green Dot Sight, which uses the RMSc footprint, and can be found by using the link below:
https://www.opticsplanet.com/viridian-weapon-technologies-rfx-15-1x21mm-micro-green-dot-sight.html
The Viridian Weapon Technologies RFX-25 1x20mm Micro Green Dot Sight uses the Docter Footprint. You could get the slide of an H&K VP9 cut for the footprint or you could use the mounting plate at the link below for a non optics ready H&K VP9.
https://www.opticsplanet.com/evolution-gun-works-vortex-viper-venom-fits-burris-fastfire-and-docter-1-811-in.html?_iv_gun-make=heckler-and-koch&_iv_gun-model=heckler-and-koch-vp9
As long as your PSA Dagger comes with the Docter slide cut, then this Viridian Weapon Technologies RFX-25 1x20mm Micro Green Dot Sight will fit.
Yes, the Viridian Weapon Technologies RFX-25 1x20mm Micro Green Dot Sight includes a picatinny rail mount.