Custom-built MP5K in .45 ACP

FN Model 1922 pistol, used by the Royal Yugoslav Army

Polish PM-63 RAK machine pistol

Soviet Degtyaryov PDM-42 prototype submachine gun which competed against the PPS-42/43

Soviet Korobov TKB-022P prototype assault rifle

Chinese Type 67 machine gun

Customized FN PS90 with Haga Defense extended handguard

Chinese CS/LS2 submachine gun prototype

Czechoslovak vz. 61 Škorpion machine pistol, modified with a vz. 58 fixed stock

M1, M1A1 & M2 carbines

Czechoslovak vz. 58/98 Bulldog prototype submachine gun based on the vz. 58

Chinese QC-9 submachine gun (prototype for the later CS/LS6)

as it turns out you can not legally own a firearm if youve been involuntarily committed to a mental institution

Swiss MP-1/40 prototype submachine gun, based on the SIG MKMS

Albanian Poliçan P84 submachine gun

Soviet Shpitalniy Model 1943 prototype machine pistol

Soviet Tokarev AT-44 prototype assault rifle

HK MP5K with MP5A3 collapsible stock

SPIW flechette-firing rifle prototype in bullpup layout

Czechoslovak vz. 58 & Polish AKM assault rifles