M14 DMR , is a M14 with a long range scope and a longer barrel. It has a Caliber of 7.62 x 51mm. It is very accurate in real life. But in game play it would be about 78 out of 100. This would be for Sharp Shooter, even though it seems sharp shooter doesn't need anymore weapons.
REM 870MCS is a small portable shotgun that you can carry as a side weapon in game. Wieght would be as much as the Mac10 and Thompson sence this idea is for Fire Bug. This is a semi pump action shotgun and has a ammo capassidy of 4 for ingame usage. To see the picture of this gun, please click here.
ARX-160 is a rifle that is a caliber of 5.56x45mm. The funchines is Semi x Auto. Accurcy for ingame will be about 60 out of 100. Ammo for this weapon for main gun it self would be about 35 bullets/clip. The weight would be about the same as the M4 or AK47 in Killing Floor. This idea goes to the Commando.
Spectre PCC is a SMG (Sub Machine Gun) that shoots 40 caliber ammunition. The idea for this weapon is to be light and fast. Easy to take down targets for its fast shooting and low sound but max clip size would be about 25 bullets. This idea goes to the Medic.
For Demo, just put a Grenade launcher on some kind of weapon.
For zerks. Well, I know this has been menchened before, but this idea is like so. Throwing axes. 1/3 to use. You hit a scrake in head it will stunn him.
SAIGA-12 shotgun. Its like an AA12 in a way. The product of the gun is to clear out regular zeds, (such as clots, gorefast, crawlers, ect.) The auto enjecter of this gun is semi-auto only. The weight should be the same as the doublebarrel. This Idea goes to support, of corse.