Dear The Game,
I have done both and settled on a 6.5 SAUM [Rem Case] for my lightweight 600. I didn`t seem to get too much increase in performance with the 6.5/06 over the standard case. The 6.5 SAUM meets/beats a standard 264 Win Mag in a shorter barrel. The 6.5 WSM was ok but only got 94 FPS better than the Rem SAUM [6.5 SAUM] and took another 2" of barrel to get it. Wanting short[er] rifle for the hills here in Or I opted for the SAUM as my platform. The little "Buggywhip" 22.5" barrel is just right for me. I also used the 1-10 twist to be able to keep velocity up. The rifle shoots in the 1" @ 200 yds [if I can do my part] which is good enough for me. It weighs about 5lb 14oz with the scope. and is a pleasure to carry. Would this work on the Contender frame? I assume the new Encores are strong enough. As to who makes the barrels? I don`t know but there is a forum called specialty pistols that has a string all about the T.C.s You might try there. They are shooting a lot of pretty hefty cartridges it seems. Good luck with your project.
P.S. I am NOT dunning ANY of the other cartridges just passing on my own findings.
Aloha, Mark
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