Western Airguns 50-100yd semi auto recommendation

Rattler .45 is coming out - that's what I'm waiting for.

I've literally owned dozens of every single semi auto out there. The only thing I reach for currently is my .357 Rattler

I'm pretty sure when I get my .45 it'll be the only thing I'll be shooting.
Would you be interested in selling the .357? How is it with noise levels?
 
A semi-automatic rifle is an autoloading rifle that fires a single cartridge with each pull of the trigger and uses part of the fired cartridge's energy to eject the case and load another cartridge into the chamber.

Don't worry bro - our 3 letter agencies have been know to change the meanings and the definition of things without even batting an eye. Before you know it, everything you know will be naught.