2.) Chain becouse I just like it better then lmp/gmp. 3.) Accuracy becouse I just don't currently have what I need on my gear to drop this yet. 4.) Power Charge on Crit to build charges faster for Discharge/Cold Snaps. And I do sometimes drop this out and replace it with Crit...
Since I haven't experience with most things in the game yet, I may have left things out like those endurance/frenzy charge things. No idea about those yet. But the premise of the Bow Marauder for me was actually any ranged weapon (if there are any) and there was no real focus on it...