Gjallarhorn Damage Sucks

 Anyone who has used it knows this is true. 

So, if you have the Gjallarhorn, you need to craft yourself one of these. 

Then, when it comes time to damage, all you do is fire Gjallarhorn twice to give your teammates the Wolfpack rounds buff, swap to this guy, and start blasting. 

The buff you gave the teammates lasts 14 seconds, so keep count, and once you get to about 10 seconds, swap back and fire 2 more shots. 

With the current DPS meta, the only times rockets are going to be used are on bosses that are impossible to crit reliably, so you shouldn't ever need a sniper rifle, but if things change, here a a few options.