I'm wondering now, if the tube body is long enough to mount on a mag length rifle without offset rings or mounts.
Just get a picatinny rail so you can mount the scope you want where you want, not "the only place it'll fit" or choosing a scope you didn't want as much because it "fits better."
Once you get over the mental hurdle of "tactical stuff is SOOO UGLY!" and discover the practicality of it, these "tube length, short action/long action, offset this, offset that" thoughts seem quite silly--especially for a long range rifle. Also there are a good number of scopes that really need a 20 MOA base to be of much use at long range. Being able to swap scope around quickly and easily, being able to check the tightness of all the screws in the mounting system quickly and easily without losing zero, the brute strength that is especially nice when using big scopes on hard kicking rifles...the list goes on and on.
Give it a try. Then buy the scope you want without "tube length" worries.
