Nothing too crazy just a slight dmg buff and MAYBE an ammo buff, when it's anti barrier sidearm rocket sidearms are in an entirely different league than Forerunner. Forerunner needs 3-4 crits to break a barrier while rocket sidearms need only 1 shot.
Before anyone says it, yes I'm aware rocket sidearms have impact and explosive damage. All I'm saying is that Forerunner could at least get a precision dmg buff enough to at LEAST 2-tap a barrier or something
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They should remove the full auto aspect of its perk and change it so it has a custom pistol whip melee animation (just like halo CE) that deals double melee damage.