Machine gun

Machine gun is a fully automatic mounted or portable firearm, usually designed to fire rounds in quick succession from an ammunition belt or large-capacity magazine, typically at a rate of several hundred rounds per minute.

QBB-95

 * Main article: QBB-95

QBB-95 is a Chinese light machine gun that fires 75 rounds of 5.8×42mm ammunition. It is accurate in long range if fired in burst and has good rate of fire. However, it is not suitable for continuous fire due to its high recoil and spread. QBB-95 is usually used in Deathmatch and Team Deathmatch modes.

MG36

 * Main article: H&K MG36

MG36 is a German light machine gun that is fed with 100 rounds of 5.56×45mm NATO ammunition. It has higher rate of fire, accuracy and even cheaper, making it is the reasonable replacement of the QBB-95.

M249

 * Main article: FN Minimi

FN Minimi or M249 for American version, is a light machine gun that fires 100 rounds of 5.56×45mm NATO ammunition. It has greater recoil and bullet spread, making it ineffective in long range. It is usually used by the player in Zombie Scenario Mode.

HK 23E

 * Main article: HK 23E

HK 23E is a light machine gun that is fed with 100 rounds of 5.56×45mm NATO ammunition. It has higher rate of fire and accuracy than the M249 but it does lower damage.

M60E4

 * Main article: M60E4

M60E4 is a heavy machine gun that fires 100 rounds of 7.62×51mm NATO ammunition. It shares most of the M249 properties except it does greater damage.

MG3

 * Main article: Rheinmetall MG 3

MG3 is a heavy machine gun that is fed with 200 rounds of 7.62×51mm NATO ammunition. It has high magazine capacity and rate of fire. It was released same along with Zombie Scenario Mode and maps Lost City and Double Gate. It also is widely used in zombie modes.

M134 Minigun

 * Main article: M134 Minigun

M134 Minigun is a zombie modes-exclusive machine gun which fires 200 rounds of 7.62×51mm NATO. It was released alongside with Zombie mode 2 and map Abyss2. It was designed for zombie battles and less effective in Original, Deathmatch and Team Deathmatch modes.