A little bit of an older thread but wanted to through our stuff into the mix.
We make most of the WSM wildcats. See our list. We did skip some of the common ones because from 6.5 WSM to 300 WSM, that seems like a good next step. For moose and black bear. 338 WSM would be a great choice. Even with an 18" Barrel, it can expand a 230gr ELDX over 800 yards. So 600 yards would be great.
We do make more common barrel lengths but one of our principals is make it shorter to accommodate the silencer. Without taking in stock variables most BA with 18" barrel and silencer are 44" LOA. Ammo, brass, load data are available not just from us. Check out our site and Youtube Channel.
V/r,
Richie
"Send It, Quietly"