Thread: T Rail or not to Rail

As a follow on from the budget rifle thread, the rifle has been attained / Rem 700.

It heads away to be threaded and Suppressed this weekend.

Next step is sorting Bases / rings and Optics.
I have never had a rifle with a Picatinny rail. As discussed the primary function of this rifle is a Deer Rifle with I would guess most shots ranging from 100 - 200 mtrs but I do want to try to get out to 600 yrds and maybe further ( target / gong )

First question: do I get a Rail or stick to base's and rings ?

Second : advantages and disadvantages of a rail ?

Third: if I do get a rail do I go level , 10 moa or 20 moa ?

This is a fun gun and the budget is tight to see how far and what kind of rifle I can assemble that is accurate, reliable and effective for a modest amount .

Cheers guys, let the opinions and knowledge flow.