I have an SBK iseries 4909 I believe, which is only a single rifle...however they have double rifle versions as well. I really like the case. It seems to lock down pretty tight and I can get a lot in a a single gun case. One thing I will tell you, no matter what way you go, you probably already know this but its going to be expensive. The only thing my SBK doesnt have that I think Id like would be wheels. Typically you have a bunch of crap when you are traveling...backpack, carry on or checked duffle bag and the ability to wheel the case behind you might be a bit more convenient. I did just fine with it on several trips carrying it and a large sized duffle and backpack through the airport, but Id assume the larger case and a second gun is going to be a good bit heavier.