Combat Competition 9mm Questions

[SeacoastNH]

1. Is the threaded barrel that fits the tactical 9mm compatible with the combat competition?

2. Are the standard sights high enough to be used with a suppressor?

3. Does it conform to the IDPA size limitation?

4. Any recomendations on where to purchase, would be an internet sale shipped to the a local FFL

Thank you.

[Scooter]

1. Yes.
2. Don't know.
3. Yes, but overtravel stop and mag well puts you into ESP.
4. CDNN?