I really like the Kelbly Atlas. The ability to have a barrel chambered for it w/o the gunsmith having the action in his hands is not to be overlooked. You can also get a spacer that allows the use of the 1.115 Panda tenon barrels to screw right on.
For a light weight rig (depending on the budget), the new Kelbly's Nanook is the box I'd check.
We expect to have these start heading out the door in January of 2022 Nanook Order Form These actions are our ultra light weight action The Nanook will come available in Right Bolt- Right Port, Left Bolt-Left Port Cut for ADL/BDL Magazines, .338 Action will come cut for CIP length Magazine Comes...
www.kelbly.com
And Jim Borden's stuff is always great.
This truly is the Golden Era for rifle building!
Good shootin'. -Al