Gryazev-Shipunov GSh-30-2 vs YakB-12.7 machine gun

FORCETALLY

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AAircraft guns

Dual-barrel aircraft autocannon

BAircraft guns

Aircraft rotary heavy machine gun

First system

Second system

At a glance

Length comparisonOne shared metre scale

Gryazev-Shipunov GSh-30-2GSh-30-2k

2.944 m

YakB-12.7 machine gunYak-B machine gun · Length

1.345 m

Lengths retain their source configuration and measurement scope.

Measured figures

13 of 29 rows sourced on both sides

2.94mGSh-30-2k

1.35mYak-B machine gun · Length

LengthScopes differ

All recorded figures & sources

2.044 m

GSh-30-2

Single source

2.944 m

GSh-30-2k

Single source

Configuration

Gryazev-Shipunov GSh-30-2 and YakB-12.7 machine gun configuration
Specification	Gryazev-Shipunov GSh-30-2	YakB-12.7 machine gun
Type	Dual-barrel aircraft autocannon^[source]	Aircraft rotary heavy machine gun^[source]Yak-B machine gun
In service	1981–present^[source]	1973–present^[source]Yak-B machine gun
Designer	KBP^[source]	KBP^[source]Yak-B machine gun
Manufacturer	KBP

Shell	30×165mm^[source]	12.7×108mm^[source]Yak-B machine gun

Barrels	2^[source]	4^[source]Yak-B machine gun

Action	Gast principle^[source]	Gas-operated^[source]Yak-B machine gun

Operation	recoil operation^[source]	—

Weight (complete)	105 kg^[source]	—

Projectile weight	390 g^[source]	—

Mounting platforms	Sukhoi Su-25 "Frogfoot"^[source]	—

Former operator · Soviet Union	Soviet Union^[source]	—

National origin	Soviet Union^[source]	—

Place of origin	—	Soviet Union^[source]Yak-B machine gun

Reported operators	Reported operator · Russian Federation Reported operator · Ukraine Reported operator · Pakistan Reported operator · China Reported operator · Bulgaria	Reported operator · Ukraine Reported operator · Russia Reported operator · Syria