Yes, this Gen 3 Radian Weapons Afterburner Ramjet Combo will be compatible with PSA Extreme Carry Cut slide assemblies.
If you have the Gen 3 GGP-19 slide then yes, this is the correct model Radian Weapons Afterburner Ramjet. If you have a Gen 4 GGP-19 slide, you need the Gen 4 Ramjet, if you have the Gen 5 GGP-19 slide you will need the gen 5 Ramjet. Version 3-6 doesn't matter as long as you are using the correct Ramjet combo that corresponds with the generation of pistol slide you are using.
The Radian Weapons Afterburner Ramjet will be compatible with a Glock 19 Gen 3 equipped with the ZEV Duty slide.
The Radian Weapons Afterburner Ramjet INTRA-LOK Combo can be used without the compensator. However, it is designed for use with the Afterburner compensator and won't work with any other compensator.
This Radian Weapons Afterburner Ramjet should be compatible with the XR920. However, Radian does not specifically state it would be compatible. For that reason, I would recommend reaching out to Radian directly for confirmation.
Yes, this Radian Weapons Afterburner Ramjet will be compatible with the PSA Dagger.
This Radian Weapons Afterburner Ramjet should be compatible with the MR920 since it is built off of the Gen 3 Glock 19 platform. I would still recommend reaching out to Radian Weapons directly for confirmation.