I love my 2 Specter IIs and my Warlock II. I have one Specter on a Browning Buckmark, the other on a Spikes AR22, and the Warlock on another Buckmark, where they pretty much live fulltime. The AR22 is quite a bit quieter than the 16" 10-22 I sometime use.
I guess I don't mind the weight of the Specter on the Buckmark. I do notice, however, the featherweight Warlock is an itsy bit louder than the Specter side by side.