Rapid Fire Cannon rapidly becoming a forgotten item?

I was personally excited for rapid fire cannon when I saw it on PBE but having played with it for a bit, it feels so underwhelming compared to Static Shiv. It has less damage potential, isn't AoE, and the range buff is BARELY noticeable. The only place it would really be effective (laning trades) usually isn't applicable because by the time you have your damage item and then build RFC, you're out of the laning phase.

Does anyone else feel like it needs some buffs to be competitive with shiv? Maybe more range, more damage, faster charge, something? Considering it's called RAPID fire cannon, here's an idea;

_Unique Passive: Builds stacks while moving and attacking. Upon reaching 100 stacks, your next auto attack deals bonus damage and increases your attack speed and attack range by 30% for 3 seconds. _

That would give you a window to use the extra long attack range and would help the item fill the role of long range single target burst and would actually feel like a tough choice between that or static shiv. Currently there's no compelling reason to build RFC over Shiv. The trade off is just too much in shiv's favor.