The specs I've read online for the BM23 indicate that you can't fit 2 5's and a 1/4 barrel, but a guy at the local keg shop told me you can put 1 5gallon in, then the 1/4 barrel, then a 5 gal. I gave it a try and it worked. I was able to close the door with that configuration. Thought I'd throw that out there for any BM23 owners.