Okay, Danny. I won't abandon the idea so quick. One thing I just learned is that the 45 GAP uses an .40 firing pin. I do have a G37 and an G22 RTF2. I'm going to try this combination. I'll just put the G37 trigger group in the G22RTF2 frame.
The slide stops and slide stop release levers look identical. I really can't see any difference. If the gun starts acting buggy, I'll swap those parts around, too.
Thanks for the direction.