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Soviet Aircraft Heavy Guns

Muzzle brake of an NS-45

protruding from the propeller hub of a Yak-

9K (Courtesy: Russian Aviation Research Trust)

NS gun under Ilyushin 11-2 wing, with fairing removed. This appears to be the NS-45

version, as indicated by the muzzle brake. There was only one experimen tal installation of this gun in the

I1-2 (Courtesy: Russian Aviation Research Trust)

Russian Heavy Machine Gun

Soviet bombers were generally defended by RCMGs at the start oi the war, with the notable exception of the four-engined Petlyakov Pe-8 which featured 20mm cannon in two turrets. The ShVAK could be fitted with either a pistol grip or spade grips when used defensively. The 12.7mm UB soon replaced the RCMGs, and by the end of the war the new lightweight 20mm Beresin B-20 was also being used as a defensive weapon.

GE 20mm M61A1 installation for FIA-18, including 570-round magazine (Courtesy: General Electric)

GIAT 30 mm type 30-550 F4 revolver cannon (Courtesy: GIAT)

Giat 20m621

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30mm Defa Cannon Ammo Mauser 27mm

Mauser 27mm BK27 revolver cannon (Courtesy: Mauser)

Revolver Cannon

Panavia Tornado firing its BK27 cannon (Courtesy:

Mauser )

Mauser CannonDefa Cannon Round

French 30mm aircraft cannon rounds (from left to right): 30 X 97B for 30-540 DEFA, 30 X 113B for 30-550 DEFA, 30 X 150B for 30-790 DEFA (Courtesy: J-FLegendre)

GIA T 30mm type 30M791 revolver cannon (Courtesy: GI AT)

30mm Defa Cannon Ammo Aden25 25mm

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Aden 25 revolver cannon (Courtesy: R. W. Clarke)

Helicopter Weapons

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GI AT 20mm 20M621 gun in 19 A helicopter mounting (Courtesy: GlAT)

Electric interface Beam

Mounting lugs

Link collector

Recoil mechanism

Air inlet

Ammunition box

Helicopter Ammo Case

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2a42 Feeding Mechanism

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2a42 Feeding Mechanism

Ventilation system

Access

Feeder

Case ejection Recocking Electric enclosure 20M621 gun

GI AT 20mm gunpod 201621 (Courtesy: Gl AT! Ion Hogg)

M781 Gun Pod

GI AT 20mm 20M62I gun in fixed 22 A helicopter mounting (Courtesy: Gl A T)

Bradley Micv

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Apache Helicopter Firing 30mm Gun

30 mm M230 Chain Gun on Apache helicopter (MDHCUan Hogg)

Russian Heavy Machine Guns
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30mm 2A42 on Mi-28 Havoc (Courtesy: Russian Aviation Research Trust)

27mm Mauser BK27 installation for Eurofighter Typhoon, with I ink less feed

( Courtesy: Mauser)

27mm Gun Pod Bushmaster 30mm Chain Gun Mauser 30mm

30mm GI AT 30 M 781 in THL 30 turret (Courtesy: GI AT)

3 Omni Mauser RMK 30 re coil I ess revolver cannon (Courtesy: Mauser)

Mauser 30mm Automatic Gun RmkBushmaster Iii

35150mm Bushmaster III Chain Gun on M2 Bradley MICV (Courtesy: MDHC)

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