I have Both laying on my Bench, Cross C. We tried the Bergers in a RUM and they have done Very well, I have not tried in the Edge yet as my velocity is in the range they had issues. But I plan to
Retumbo will get played with here soon, I have heard good and bad about it, and it would have to give Wicked results to beat out H-1000
One would think with these long ass barrels and the ability to really seat the bullet way out there with Seekins bottom metal it would have been tried already.
Exciting, would love to hear the range report on 'em.