I am so new to many of these weapons I had to look up what a DMR style rifle is. I honestly can't see my Saiga .308-2 filling that role well, with its' 16" barrel. I am confident I could probably hit a deer or man-sized target in a pretty fatal area at 300 yards, but not at distances longer.
IF you are getting a Saiga .308 and you want that DMR type [1/2 step below sniper gun as I understand it?], you better get the longer barrel version.
Seriously, from what I've read, the Saiga .308 is better in the role of a main battle rifle than as a sniping rifle. That is what Dragunovs [spelling