NoVeM

The vz. 52 Rifle, Scorpion MP, CZ 75 Pistol, Ruger Mini-14, AK47, FN P90, Ruger 10/22, Pistol Makarov, Molot Bekas M, PP-19 Bizon, Kevin ZP98, Walther P99.H&K MK 23. In general more civilian and entry level weaponry, preferably more local ones and a variety of older weapons reaching from 30-70's

Or at least give the option to strap your other weapon to your backpack with rope so that fast switching wouldn't be possible or allow the crafting of a carrying strap.