Ejector barrels were offered as a factory option for a short time before the fire at the TC plant. They were available as Hunter barrels and were set up for rimmed cartridges only to my knowledge - 7-30 w, 30-30, 357 Max, 375 Win, and 45-70. Check page 2 of this forum where the subject was discussed about 2 weeks ago. They are pretty tough to come by and are available only on the used market - TC / FRO does not offer them anymore as far as I know. I heard once that VVCG had ejectors available as an option for their custom barrels - you would have to talk to them.