I’m planning on mounting a SWFA 6X on my L579 .243 and have been pondering the same question as OP.
Leupold makes their ring mounts in 30mm and so far that looks like my best and least expensive option.
I’m running 1” ring mounts now on that rifle and a Forester .358 Win and never a problem......
BT53
"Where do they find young men like this?" Reporter Savidge, Iraq
Elk, it's what's for dinner....
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