Absolutely! Get that factory grease off and a good light gun oil on. Happy Shooting!
Use a dry cleaner
Should have.
A hamster cage should be cleaned weekly.
Get a new son. Or a new dog.
Its a used gun which has been either cleaned or parts replaced in order to make it fit for resale.
For it to be completely clean, yes, however, most people don't clean a gun to that degree.
A horses stall should be cleaned every day.
No, you can't. And you should never get anything pierced with a gun; they're dirty and never cleaned properly. Would you want to be pierced with something that's pierced someone else, and not even been cleaned?
How should tender vegetables be cleaned before use?
Everyone should get their chimney cleaned once a year.
Public restrooms should be cleaned once a day.
It depends on which gun and what shape its in. In general, about 50-80% of the price of a new one.