I found that my ultrasonic case cleaner does a great job cleaning my sigma... Question, could you dry the frame and slide in a cool ( 170f) oven?
The better question is, why would you want to do this? You are going way overboard on the cleaning.
There is something wrong with the gun then, and it's not cleanliness. No gun should need to be ultrasonically cleaned and baked in an oven every 500 rounds to remain reliable.
You're pushing your luck unless the oven is precisely controlled.
Some of the polymers used in firearms start to soften over 200 F, and there is a cotton damper inside some of the springs.
if you have to go to those extremes there is something wrong with your gun or the ammo you are using. i have about 750 rds through my sigma with only basic cleaning with zero problems
750 rounds? sometimes i shoot that much in two weeks, maybe that is the difference. For reference, i have shot 1080 rounds so far this month.
I guess your rich then after you factor in range time and cost of ammo
so you bought a sub $300 gun and are running over 1000rds of reloads a month in it and wondering why your extractor is breaking and you are seeing light strikes?