In the opening scene one of the drug dealers is armed with a Colt Official Police revoler. Later this revolver is used by one of Havlock's henchmen in the scene in jungles.
Unidentified revolvers
Various characters carry unidentified revolvers. Some of them are seen too briefly to be identified.
Pistols
HAFDASA Ballester-Molina
Shiro Tanaka (Sho Kosugi) is armed with a Ballester-Molina pistol in several scenes. It can be identified due to its uneven slide serrations (and due to the fact that the movie was filmed in Argentina).
Browning Hi-Power
In the end of the opening scene Tanaka's pistol switches to Browning Hi-Power.
M1911A1
One of the guards in the storehouse is armed with a M1911A1 pistol.
Mauser HSc
In the final scene a treacherous DEA agent is armed with Mauser HSc.
Intratec TEC-9
Several of Havlock's henchmen are seen with Intratec TEC-9 pistols.
Unidentified pistols
Various characters carry unidentified pistols.
Submachine Guns
Halcon Model 1949
Argentinean police is armed with Halcon Model 1949 submachine guns. Jorge (Martín Coria), commander of Havlock's henchmen, also carries this SMG.
One of Havlock's henchmen is armed with a shotgun with pistol grip and short barrel. It is Bataan Modelo 71, Argentinean version of Ithaca 37 manufactured by Industrias Marcati. It differs from Ithaca in several details, including the shape of the support post between the tube and barrel.
Unidentified shotgun
One of the guards in the storehouse is armed with a shotgun. It is seen very briefly.
Rifles
M16A1
One of the guards in the storehouse is armed with an M16A1. Several of drug cartel gunmen in the final scene also carry M16A1s.
Colt CAR-15
In the final scene several gunmen are seen with CAR-15 carbines. Shiro Tanaka (Sho Kosugi) captures one of these carbines and uses it.
FAL PARA
FAL PARA, Argentinean version of FN FAL 50.63 Paratrooper, is seen in hands of one of drug cartel gunmen. It is also used in the final scene.
Ruger AC556K
In the final scene one of drug cartel gunmen is armed with a Ruger AC556K with 30 round magazine. Shiro Tanaka (Sho Kosugi) disarms this man and uses his rifle.
Machine Guns
Ametralladora Tipo 60-20 MAG
Ametralladora Tipo 60-20 MAG, Argentinean version of FN MAG, is mounted on drug cartel Bell Iroquois helicopter.
M60E3
In the final scene one of drug cartel gunmen is armed with an M60E3.
Other Weapon
Super Bazooka Rocket Launcher
The drug cartel soldiers fire a rocket launcher from the Bell Iroquois helicopter. The launcher looks similar to M20A1/A1B1 "Super Bazooka" but differs in several details (note the different shape of grips at the business end). In any case firing Bazooka from inside the helicopter is a very dangerous for the crew.
Mk 2 hand grenades are used by drug cartel men in the final scene. Shiro Tanaka (Sho Kosugi) takes a grenade from the body of one of the enemies and uses it to blow a car.
Flamethrower
One of the drug cartel soldiers fires a flamethrower. This weapon looks more like a real one than a movie prop. Supposedly it is some version of M2 Flamethrower, maybe Argentinean produced.
Crossbow
During the jungle raid Shiro Tanaka (Sho Kosugi) is armed with a Barnett crossbow.