Canted base or no canted base?

[nathank]

I'm building a 300wm and am mounting a 5-25x50 falcon menace ffp. I'm wondering if I will need a 20moa base or if I will be fine without it. I will be using this rifle to learn lr and increase my range with practice to as far as possible.

 

[SES50]

Use a 20 MOA base.