Similar to NR-23_(機関砲)

Berezin B-20

Gryazev-Shipunov GSh-6-23

Gryazev-Shipunov GSh-23

Nudelman-Rikhter NR-23

Nudelman-Suranov NS-23

Volkov-Yartsev VYa-23

Shipunov 2A42

Gryazev-Shipunov GSh-6-30

Gryazev-Shipunov GSh-30-1

Gryazev-Shipunov GSh-30-2

Nudelman N-37

Nudelman-Suranov NS-37

Nudelman-Suranov NS-45

ShKAS machine gun

ShVAK cannon

YakB-12.7 machine gun

Asterisk