Well, accuracy kinda trumps everything in high end content. VD BCs and the highest level incursions etc demand that you max out your accuracy to the extent humanly possible (and even then you need multiple buffs). The WKR weapons with augments are very good but you really need something 119 for the hardest content. On PUP I have the augmentable 119 hth from delve 2 (that bear-like NM) and it seems to outperform the WKR weapon with OAT in high level content. In lower end content though, it might not be the case.