The Elite Survival System Tactical Belt Holsters are not designed to accommodate red dot sights. I would recommend emailing us at Techsales@opticsplanet.com and letting us know what handgun and red dot you use, that way we can more easily find a holster that will work for you.
Yes. Any Elite Survival System Tactical Belt Holster that is compatible with the P226 will work for the Legion as well. You can use the following link to see the filtered holsters that are compatible.
https://www.opticsplanet.com/elite-survival-system-tactical-belt-holster.html?_iv_gun-make=sig-sauer-1&_iv_gun-model=sig-sauer-p226-1
No this holster was not designed for pistols with threaded barrels.
Yes it will.
Unfortunately not. Here's what we do have for that firearm.
https://www.opticsplanet.com/desantis-right-hand-tan-lined-basketweave-thumb-break-scabbard-3-slot-001tg75z0.html?_iv_gun-make=ruger&_iv_gun-model=ruger-p95
The Elite Survival System Tactical Belt Holster is designed for large frame auto's with 4"-5' barrels. The TH9C has a barrel length of 3.54" and would be too small for this holster. I would recommend the Alaska Guide Creations Pistol Holster found using the following link:
https://www.opticsplanet.com/alaska-guide-creations-pistol-holster-ambidextrous.html