I've been harboring a 200% one hour boost from my rank 50 battlepack and I decided tonight was the night I'd go to town with it. I opted for Conquest on Metro with an initial low player count and high ticket to really maximise my scoring. I went 100-99 in the end! 75 ribbons, a shit load of heals, assists, headshots, lots of caps and a partridge in a pear tree for good measure. I went from 51 to 53 and only 14,000 away from rank 54. Ended up walking away with about 25,000 points which wasn't too bad. I've scored higher before but that was a bit of a massive effort and I'm too tired for pissing about on the likes of Altai Range.
I haven't done a DXP weekend yet on BF4 but maybe I should...