Yes it should fit the Springfield 1911 TRP Operator, as that pistol has an under barrel picatinny accessory rail.
The SureFire X400 GN Ultra Flashlight will be compatible with the CZ-75 SP01 Tactical.
Yes, the SureFire X400 GN Ultra Flashlight w/ Green Laser will be compatible with a Gen 4 Glock 19.
The SureFire X400 GN Ultra Flashlight w/ Green Laser will be compatible with your Canik, however, it will overhang past your accessory rail due to its size.
The SureFire DG X200 Handgun Weaponlight Remote Tailcap Switch model DG-14 at the link below will work with a SureFire X400 Weapon Light with Laser and Sig P320.
https://www.opticsplanet.com/surefire-tailcaps-switches-dg-xx.html?_iv_gun-model=sig-sauer-p226r-1
Please email us at techsales@opticsplanet.com so we can help find the style of holster you are looking for.
SureFire does not state how many picatinny rail slots the SureFire X400 GN Ultra Flashlight w/ Green Laser needs to mount. Based on the overall length I would suggest having at least 4 picatinny rail slots available to mount the SureFire X400 GN Ultra Flashlight w/ Green Laser.
The IWB holsters located at the link below may be able to fit a Glock 17 with the SureFire X400 Weapon Light with Laser.
https://www.opticsplanet.com/phlster-floodlight-iwb-aiwb-holster.html?_iv_parent-gun-make=glock&_iv_parent-gun-model=glock-17&_iv_holster-type=inside-the-waistband-holster
The SureFire X400 is a 1,000 lumen light with either a green or red laser.
Yes, this should be compatible.