Yes, Jeff. The TRYBE Defense Universal Single Port 9mm Compensator is compatible with a Hellcat as long as it has a threaded barrel with 1/2x28 threading
Yes, as long as you are using a 1/2x28 threaded barrel the compensator will function as intended.
The TRYBE Defense Universal Single Port 9mm Compensator will be compatible with a Springfield Echelon as long as you have the 1/2x28 threaded barrel installed. The threaded Echelon barrel can be found linked below:
https://www.opticsplanet.com/springfield-armory-ec0901tb-echelon-replacement-barrel-4-50-threaded-black-mel.html
The TRYBE Defense Universal Single Port 9mm Compensator will fit a Beretta 92FS if the muzzle is threaded for 1/2x28.
The TRYBE Defense Universal Single Port 9mm Compensator will work with a Sig P320 M18 if it has a barrel threaded for 1/2x28.
Either model of the TRYBE Defense Universal Single Port 9mm Compensator will work with a Springfield XDM Elite 9mm.
If you have a 9mm IWI Masada with a barrel threaded for 1/2x28 the TRYBE Defense Universal Single Port 9mm Compensator will work.
The TRYBE Defense Universal Single Port 9mm Compensator will work with a Canik Rival SFX with a barrel threaded for 1/2x28.
The TRYBE Defense Universal Single Port 9mm Compensator will work with a Ruger PC Carbine in 9mm. However, it is recommended not to use +P ammunition.
The TRYBE Defense Universal Single Port 9mm Compensators have a width of 0.875" while the width of a Glock 19 slide is 1".