Browning M2 machine guns are mounted on fixed tripods and on many USMC and U.S Army vehicles, including the Humvee and the M1A2 Abrams. British forces in the British Armed Forces DLC use the L111A1, a version of the Browning M2 with an ACOG sight.
The DShK heavy machine guns are seen in fixed positions and mounted on pickup trucks and jeeps by the CDF, ChDKZ and NAPA forces.
The Gryazev-Shipunov GSh-30-1 is mounted on Su-27S "Flanker-B", Su-30 "Flanker-C" and Su-34 "Fullback" used by the Russian Armed Forces faction.
The Gryazev-Shipunov GSh-30-2 is mounted on Mi-24P "Hind-F" and Su-25/Su-25K/Su-39 "Frogfoot" used by Eastern factions.
The coaxial-mount version of the M240 Machine Gun is mounted on USMC and U.S. Army vehicles, including M1 Abrams, M2 Bradlys, LAV-25s and more.
A pair of GAU-12/U are mounted on USMC's AV-8B Harrier II.
The GAU-17/As are mounted on UH-1Y Venom helicopters used by the USMC faction and the UH-60M Black Hawk and CH-47F Chinook helicopters used by the U.S. Army faction. A unique modified version of a SUV introduced in the Private Military Contractor DLC, is featured with a GAU-17 mounted as a turret. For some reason, the GAU-17 mounted on the right side if a helicopter, is modeled reversed from the GAU-17 mounted on the left side, easily noted by the position of the rail. Also, the rail itself is not detailed correctly, as it lacks the T-shaped spaces.
The GAU-22/A is mounted on USMC's F-35B Lightning II.
The General Dynamics M197 Vulcan is mounted on USMC's AH-1Z Viper.
The General Electric GAU-8/A Avenger is mounted on U.S. Air Force's A-10 Thunderbolt II.
The Kord heavy machine gun is available as a static weapon mounted on a tripod, also mounted on MBTs used by Eastern factions, including the T-72A/T-72B/T-72BA/T-72M, and T-90/T-90A.
The M230 Chain Gun is mounted on U.S. & British Army factions' AH-64D Apache Longbow.
The M242 Bushmaster chaingun is mounted on USMC LAV-25s and U.S. Army M2 Bradlys and M6 Linebackers.
The coaxial-mount version of the PK Machine Gun is mounted on many vehicles used by Eastern factions, including the BTR-70, BTR-90, BMP-2, BMP-3, T-55A, T-72A/T-72B/T-72BA/T-72M, and T-90/T-90A.
The Shipunov 2A42 is mounted on vehicles used by Eastern factions, including the GAZ Vodnik, BTR-90, BMP-2.
The Yakushev-Borzov Yak-B is mounted on Mi-24D "Hind-D" and Mi-24V "Hind-E" used by Eastern factions.