Awhile back I bought some Birchwood Casey Bore Scrubber in the aerosol can. The first time I used it towards the end of the cleaning process the can stopped working, like it ran out of propellant. The can itself was still full, I just couldn't get anything out of it. This was Tuesday. Wednesday morning I emailed their customer service department and let them know the problem I was having. I recieved an email back saying they would send out a new can. Yesterday I got a package from them and rather than just send a can of the Bore Scrubber, they sent their 3 can value pack that has the Bore Scrubber, Gun Cleaner and Barricade.
I am very impressed with their service and sent them an email letting them know. This is the best and fastest service I've received in quite awhile.