Type'BI'(Vickers) 7.7mm machine gun.

Type 89 7.7mm machine gun."NIPPON SEIKOUSYO"

used it in Japan army/navy.(date: waight 12kg,could fire 810m/s,fire speed 900,carrying ammunition 500)

Installed: Type 91,91,95,97 Fighter, Type 1 Fighter,to Type2"Kou",Type 2 twin engined fighter,
Type 3 Fighter"Kou",Type 99 tactical Recon

Type 1 12.7mm 'Ho-103' machine gun.

.(date: waight 23kg,could fire 780m/s,fire speed 900,carrying ammunition 250/270)

Installed: from Type 1 fighter model 1"Otu",Type 2fighter model 2"Kou", from Type 3fighter "Kou",
from Type 5 fighter model 1,Ki-102"Otu"Ki-108,Type 4 Hevy bomber,Type 99 tactical Recon

20mm cannon. MG151/20 of Germany,

cannon 800 and ammunition 400,000 emission importation.
(date: could fire 695 to 785m/s,fire speed 630 to 720,carrying ammunition 120/250)

Installed: Type 3 fighter"Hei"

Photograph no

20mm'Ho-1'cannon

(date: could fire 850m/s,fire speed 350)

20mm 'Ho-3'cannon(Photograph is a anti aircrafts gun For the ground)

Installed: Type 2 twin engined fighet

20mm 'Ho-5'cannon, Making Type 1 machine gun a base converted it into 20mm

(date: could fire 750m/s,fire speed 850,carrying ammunition 160 to 250)
(Reference like see a photograph)

Installed: from Type 1fighter model 3,Type 2 fighter,from Type 3 Fighter model 2,Type 4 fighter,
from Type 5 model 1,Ki-96,Ki-102,Type 100 com Recon model 3 night,Type 4 hevy bomber

Photograph no

30mm 'Ho-105'cannon

(date: ,carrying ammunition 80)

30mm 'Ho-155 Model 1'cannon

.(date: waight 50kg,could fire 700m/s,fire speed 600,carrying ammunition ?)

Installed: Ki-83,Ki-87,Ki-94,Ki-102"Hei"

30mm 'Ho-155 Model 2'cannon

Installed: Type 4 TFighter model "Hei","SYUSUI","KARYU"

37mm 'Ho-203'cannon

.(date: waight 90kg,could fire 570m/s,fire speed 120,carrying ammunition ?)

Installed:Type 2 twin engined fighter "Hei",Ki-96,Ki-102"Kou",Ki-108,
Type 100 com Recon model 3 night

37mm 'Ho-204/203'cannon(Reference like see a photograph)

.(date: waight 130kg,could fire 710m/s,fire speed 400,carrying ammunition 35)

Installed: Type 100 com Recon model 3 (Air defense model)

40mm 'Ho-301'cannon

.(date: waight 49kg,could fire 245m/s,fire speed 475,carrying ammunition 9)

Installed: Type 2 twin engined fighter model 2 "Hei",

57mm 'Ho-401'cannon

.(date: waight 150kg,could fire 495m/s,fire speed 80,carrying ammunition 16)

Installed:Ki-102"Otu"