If you are shooting for a viable wvw rifle build check out Taugrim’s run and gun build. I’ve been using it for a little while now and it’s a very nice build.
http://www.intothemists.com/calc/?build=-s70F-0-VKkN0Z47L-60;9;49T;0T4;026A;439AL-k06W
Tharrivol [Duel]
Dragonbrand