Take these ideas

A P90!

@roguegeneral-- (View Post)
O'Dwyer VLe

The 122 Kurz (that shotgun) Not too big.
And an MP5.

@MasterMind555 (View Post)
Stargate SG1!

Gaus rifle or rail gun or PPC.

i hope u can make ski-fi weapons :D

A turret from a"Renault FT".

Owen submachine gun.

A classic aussie submachine gun, can't remember when it was introduced but it was probably around 1930 - WWII and used until the Vietnam war. What made it special was that it was almost impossible to jam.

A Giant warhammer, a Maul and a Gladuis
A claw, a long bow with scope and crossbow<-thats a hard one

A slingshot.