The cans from Coastal Gun Inc. are pretty low cost compared to AAC, SWR, Gemtech and the like. I've not heard one but with a MSRP of $449 it might be worth a look.
I'm still working overtime & Saturdays but I'll let you know when I can get my buddy Jeff, with the can, to the range. My son wants to shoot in the morning but not sure if Jeff is free to play.