Here is an overview of the SMGs discussed and their assigned tiers:
* S Tier: These are the best, meta-defining weapons [00:20].
* Burst CX9
* USS 9
* VMP
* A Tier: These are top-tier choices that are excellent for winning in almost any lobby.
* PDW57
* QQ9
* Fennec
* MX9
* Switchblade X9
* Classic CX9
* B Tier: These are viable weapons with clear tradeoffs.
* MSMC
* GKS
* Cordite
* AGR 556
* CBR4
* KSP 45
* OTS9
* Tech-9
* C Tier: These are niche picks that are usually outclassed by better options.
* RUS-79U
* HG-40
* QXR
* MAC-10
* LAPA
* ISO
* D Tier: These guns are considered basically irrelevant in the current meta.
* Chicom
* Razorback
* Pharo
* Striker 45
* PPSH-41