Well, obviously any thing that's not a sniper weapon for primary's, but as far as grenades go, flash and radiation are also banned
Also for perks, Reverse Damage, Ammo Salvage, Blinding Powder, PR Tuning, and Improved Melee.
Also @Chain, after due consideration, you can use the HVS.45, but due bear in mind, you probably won't be as good as you need to be with it due the most people using PR's and SR's. :) --- Cmo More Often. "KAS has spoken! /('O')/ Hi KAS gang" ~The21stgun