Yes, this should be compatible.
Yes, these will be compatible.
Yes, this will be compatible.
This Trijicon Sight Suppressor Set should be compatible with the Springfield Hellcat. Iron sights that fit the Springfield XD-S (non-OSP) will typically fit the non-OSP Hellcat as well.
Yes, the Trijicon Sight Suppressor Set will be compatible with your XD-M Elite and allow for a co-witness with your Holosun 507C.
Yes, the Trijicon Bright & Tough Night Sight Suppressor Set will fit your XD-M Elite and allow for a lower 1/3 Co-witness with your SRO.
The Trijicon Bright & Tough Night Sight Suppressor Set for Springfield Guns can co-witness with a Hex Dragonfly.
No. The Trijicon Bright & Tough Night Sight Suppressor Set is designed to fit Springfield XD model pistols, not 1911's. You would need to use Novak style sights such as the Truglo TFO 1911 Officer/Commander sight set, found by using the link below:
https://www.opticsplanet.com/truglo-tg131nt4-tfo-1911-officer-commander-with-novak-lomount-fiber-optic-green.html
This rijicon Bright & Tough Night Sight Suppressor Set is not compatible with OSP (optics ready) model handguns.
Yes, the Trijicon Bright & Tough Night Sight Suppressor Set will work for an XDM Elite OSP. They will allow for a lower 1/3 co-witness with the Holosun 407C.