A Glock 19 is seen in "Miyajima Rei" with US Marine Corps EXOFRAME Force Recon (USMCEFR) operator Rei Miyajima while masquearding as a Japanese Ground Self-Defense Forces soldier.
MP-443 Grach
The MP-443 Grach is used in "Jamal" by Kayira after joining the Outcast Brigade.
Tokarev TT-33 Pistol
The Tokarev TT-33 is seen in "Soldier Brat" with an African militia commander.
Unknown
Assault Rifles
AK rifle
An AK-type rifle is seen in Indian HAWEX-015 "Meghoot" Exoframes as an anti-personnel weapon in "Miyajima Rei", although it's used by Captain Wangchuk to take on Zahir's "Gibraltar".
AK-74
The AK-74 is seen with Pakistani CADEX-15 "Gibraltar" Exoframe in "Miyajima Rei" and "Jamal". African soldiers and child soldiers are seen with them in "Bowman", "Soldier Brat" and "Jamal".
Colt M4A1
The Colt M4A1 is seen as a preview on a related online video after the Cerberus Security Services video ad was played at the end of "Loewner".
Draco
The Draco Pistol is seen with a bald African militia commander at the end of "Jamal".
XM454
The XM454 is an original assault rifle used by USMCEFR AREX-03 "Toad" Exoframes, only seen in "Outcast".
Machine Guns
Browning M2HB
The Browning M2HB is seen on US Marine Corps Abrams MBTs in "Bowman". One is seen as a preview on a related online video after the Cerberus Security Services video ad was played at the end of "Loewner" with CSS Specially Security Equipped Exoframes (SSEX)-Cerberus Exoframes as a cut down assault rifle called the M2Exo carbine by building a custom lower receiver and modded to allow the trigger to be used in the receiver's pistol grip instead of the spade handles.
DShK
The DShK is seen on OB ALFEX-16-SOP "Obambo" Exoframes as a cut down assault rifle by building a custom lower receiver and modded to allow the trigger to be used instead of the spade handles. They're known as DShk-Es.
GIAT F2
The GIAT F2 is seen on SuperHind Mark V in "Jamal".
Kord heavy machine gun
The Kord HMG is seen on T-90 MBTs in "SOLDIER BRAT" and "JAMAL".
M61 Vulcan
The M61 Vulcan is used by Cerberus Exoframes in "Loewner" as a perimeter support and offensive weapon.
M240B
The M240B is seen with USMC armored vehicles in "Bowman".
M240C/D
The M240C/D are seen on US Marine Corps Abrams MBTs and LAV-25s in "Bowman". One is seen as a preview on a related online video after the Cerberus Security Services video ad was played at the end of "Loewner".
The PKMT is seen on T-90 MBTs in "Soldier Brat" and "Jamal".
Sniper Rifles
Vidhwansak
The Vidwansak is used as an anti-armor sniper rifle by OB forces in their Obambos. Zahir uses it with his personal Exoframe in "Soldier Boy".
Rocket Launchers
Baktar-Shikan
Baktar-Shikan missile tubes are mounted on "Gibraltar" Exoframes in "Miyajima Rei". Zahir's personal Exoframe is seen with it, first showing up in "SOLDIER BRAT".
RPG-7
RPG-7s are seen with insurgent forces in the season.
ZT3 Ingwe
The ZT3 Ingwe is seen on SuperHind Mark Vs in "Jamal".
Heavy Weapons
EPM Mortar
The EPM Mortar is used by OB Exoframes in "Outcast".
Others
Mines
Mines are seen in "Bowman", strapped on an Exoframe in order to use them as mobile explosive platforms.