Advanced Armament Corp, has a couple nice cans in 6.8 http://advanced-armament.com/ I agree with JonM though, get a quick detach .30 cal can and you can bounce it back and forth from host to host. Just about anything 30-06 and smaller.
A forum community dedicated to all firearm owners and enthusiasts. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more!