There are other weapons that can have suppressors, yes.
My man :foodndrink:
consider how almost ridiculously powerful stealth shots where in Fallout 3 (especially when silenced weapons left enemies stupidly unaware) I have a feeling giving the ability to silence powerful guns would be a bit over powered
Ehhh, I hear you, in my mind it would be like the Grease Gun, the Hi Power, the Assault Carbine, the 10mm weapons and the Hunting Rifle. Nothing bigger than that. Even the .308 is a stretch, I could live without having a suppressor for the Hunting Rifle :shrug:
Nothing like running around with a Anti Materiel rifle or an LMG with suppressors though.