What appears to be a Taurus PT92 appears briefly in "Dios y Federacion" (S2E07).
Submachine Guns
IMI Uzi
Venezuelan soldiers are armed with IMI Uzi submachine guns, first seen in "Persona non Grata" (S2E06).
Assault Rifles
M4A1 Carbine
The M4A1 Carbine is carried by Jack as well as CIA Special Activities Division operators Coyote and Disco (Victor Rasuk) with Marcus Bishop (Jovan Adepo) using it near the end of the season. The rifles used by the SAD team are equipped with EOTech sights, FAB Defese FGR 3 tri-rail foregrips, FAB Defense buttstocks and FAB Defense magwell grips, while the one Jack uses during the prison camp raid has a carry handle-mounted ACOG, SureFire rail handguard, vertical foregrip, and flashlight.
AK-47
An AK-47 is seen leaning against a tree in a Fuerzas Armada de Liberacion camp in "Tertia Optia" (S2E02).
AKMSU
An "AKMSU" is seen with one Eprius mercenary in "Dios y Federacion" (S2E07).
Colt Model 933
Mateos Bastos (Eduar Salas) uses a Colt Model 933 while working with the Venezuelan Army on anti-guerrilla ops.
Colt Model 733
Matisse uses a Colt Model 733 with a foregrip, Aimpoint red dot sight and FAB Defense buttstock during the season.
Colt XM177
Jack and Mike are seen with Colt XM177s during the raid on the Miraflores in "Strongman" (S2E08). Mike's has an A1 flash hider rather than the standard flash suppressor like Jack's. This also presents a continuity error in Jack's case as he was seen loading up an M4A1 in the helicopter on the way there.
FN FNC
The FN FNC is seen briefly with PNB officers reinforcing Presidential Honor Guard forces inside the grounds of the Miraflores in "Strongman" (S2E08).
IMI Galil AR
The IMI Galil AR is the main rifle used by Venezuelan forces in addition to most Eprius mercenaries. Bishop also uses it briefly in "Persona Non Grata" (S2E06). Since the South American scenes are shot in Colombia, the armorers are able to access the Galils.
SIG-Sauer MCX
The SIG-Sauer MCX is used by SCO19 CTSFO operators in "Dressed to Kill" (S2E04).
SA Vz.58 Tactical
A SA Vz.58 Tactical is seen with some Venezuelan Army soldiers in "Strongman" (S2E08).
SIG SG 551
The SIG SG 551 is seen with some Venezuelan Army soldiers in "Strongman" (S2E08).
Unknown AR-15
An AR-15 type carbine with a free-float rail handguard is seen with US Marine Corp personnel at the embassy in Caracas. It's not seen very clearly, making identification difficult.
Battle Rifles
Galil 7.62
A Galil 7.62 is seen with some Venezuelan soldiers. Since parts of the season were shot in Colombia, the armorers have access to Indumil or IMI-made Galils.
Muzzleloaders
Brown Bess Flintlock Musket
What seems to be a Brown Bess Flintlock Musket is used by the Presidential Honor Guard on guard duty inside and out the Miraflores Palace.
Sniper Rifles
AR-15 Variant
Max uses a suppressed AR-15-type sniper rifle in Season 2's premiere "Cargo" (S2E01). The rifle also has a FAB Defense magwell grip and an upper receiver that is marked "SR-16 M4", which suggests that the rifle may be an airsoft replica.
Remington M24
A Remington M24 is seen with SCO19 snipers in downtown London in "Dressed to Kill" (S2E04), which is unusual since they're not known to use it as their standard sniper rifle.
Machine Guns
Browning M3
The Browning M3 is seen mounted on a Venezuelan Army vehicles.
M240D
M240D machine guns with spade grips are seen mounted on US military Black Hawks.
FN M249
The M249 is seen mounted as a door gun on a Black Hawk when Jack, Mike and the SAC element raid Miraflores near the end of "Strongman" (S2E08).
Phalanx Close-In Weapon System
A Phalanx Close-In Weapon System is seen on board the USS Rafael Peralta in the Carribean Sea at the end of "Strongman" (S2E08).
Rocket Launchers
M72 LAW
The M72 LAW is used by Mike when a safehouse in raided in "Dios y Federacion" (S2E07).
Grenades
M26 hand grenade
A M26 hand grenade is seen with Jack when taking on armed Unidad de Operaciones Tácticas Especiales (UOTE) operators and PHG officers in "Strongman" (S2E08).
M33 Hand Grenade
A M33 Hand Grenade is seen as a continuity error on Jack's use of the M26 in "Strongman" (S2E08).
M83 Smoke Grenade
A M83 Smoke Grenade is seen used by the BNP against anti-government protestors in "Strongman" (S2E08).
Grenade Launchers
DefTech 37mm launcher
What seems to be a DefTech 37mm launcher is used by BNP officers in "Strongman" (S2E08) to fire smoke grenades and disperse anti-Reye protest groups.
Other
Embassy Bunker
In "Persona Non Grata" (S2E06), Mike accesses the underground bunker of the US embassy, which contains cash, alcohol and several firearms.