PUBG · High Tier
Easy to control with strong sustained fire, it competes too well with assault rifles outside close range.
For every weapon between A and S tier, apply one nerf to one aspect of it so it's not completely dominant on the battlefield.
Each entry lists the move or ability affected, the adjustment itself, and — where the analysis states one — the problem it is meant to solve and the reasoning behind it.
JS9 SMG is one of PUBG's entries — the full tier-by-tier breakdown covers the whole roster.