sweps is really annoying to reload since swollow hates intuitivity and forces you to press R and it has strangely realistic models
t+t has nicer models (except for that pump shotgun) and reloads when you need it to but it's not perfect either
honestly it's up to you
you could also go sicko mode and make a new weapon pack but that would just make this needlessly difficult to figure out the tiers it has for everyone involved and would also be a lot of effort and time or maybe use some other obscure weapon pack, there was this weapon pack called hk that had nice models but like 5,000 weapons all prefixed into a gigantic HK: blood clot in the itemlist