Sorry about the delay, been on the road and then I forgot about this. I just have my trust name as the manufacturer and whatever I picked out as the model and serial number.
I know I'm late to the party, but 'what he said'. I made up a Ser # & Model # FBHO...j/k
You CAN save money rolling your own, going the 'maglite' route for example. However, once you research it the desire to upgrade is very strong. I ended up with a titanium tube for weight and still came in well under $300 (not including the stamp of course.) But that was a benefit, not really the point.
The cool thing is my homemade can is just as effective as my commercial cans.