It has rangefinder, reinforced barrel, and kneepads. It does not have aggressive ballistics but accurized ballistics seems as good or better since you get some damage boost and increased range while aggressive has a range penalty. I've also heard many people argue shot package vs rangefinder and I am not sure which would suit the shotgun/melee playstyle more. Thoughts?
EDIT: What makes SP better than RF? RF lets damage drop off less with distance
EDIT 2: After many more motes of light I have aggressive ballistics, shot package, rifled barrel, and battle runner, which I am thinking you guys would advise me to keep
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Essentially shotguns have a max range cap that isn't listed but once past that range no additional range star will benefit it. Shot Package works by providing bonus range only when ADS, which is unaffected by that base range cap due to it being a sort of temporary buff.