I almost forgot something... when I put the Jag mount on the driver's side t-case spot, I did have to nip off a bracket/tab of some sort which was serving no purpose that I could see on my truck. No idea if that piece/tab exists on all the brackets or not. So, easiest would be Jags up front and LRs in back.
I did Qts mounts up front many years ago, and best I can tell they're still going strong. Got tired of breaking the LR ones... If I had seen/handled a Jag mount, I likely would have tried the Jag mounts up front before dropping the coin on the expensive ones.