I use the same tanks. I got one of Cappy's first batch of Destroyers. It was a snug fit because of the design, but Cappy fixed it for mine and Hubby's, so they all fit perfectly. I was under the impression that he was going to modify the design from that point on so that the DCTanks would fit, no problem. Do you have one of the mahagony Destroyers from the 1st batch?
Thanks ime...Yea, I need to know if everyone is using the 3ml or the 5ml tanks when they talk about which ones fit and which ones don't. I guess in the future, I'll have to email the suppliers for measurements (and hope they know or have a caliper to measure them). I'd rather use the 5ml because I can go for a few days on one fill that way, but I'm okay with the 3ml if that's all that'll fit.
Hope this will help those that may run into the same problem as I did