[Jack Hammer]

As a matter of curiosity, anybody know what’s the standard sidearm of the JDF?

[reed13k]

From Wikipedia:

Standard issue
SCK/Minebea 9mm Pistol
Minebea 9mm Machine Pistol
Howa Type 89 (120,030)
Howa Type 64 (230,000)
Type 06 rifle grenade
Sumitomo MINIMI 5.56mm Machine Gun (4656)
M24 Sniper Rifle
Howa Type 64 Sniper Rifle
NTK/Sumitomo Type 62 machine gun
NTK/Sumitomo Type 74 In-vehicle machine gun
Sumitomo M2 12.7mm Heavy Machine Gun
Howa Type 96 40mm Automatic Grenade Launcher
Howa 84RR
Nissan/IHI Aerospace 110mm LAM
Special forces
H&K USP(Only Japanese Special Forces Group.)
H&K MP7(Only Japanese Special Forces Group.)
M4 carbine (Only Japanese Special Forces Group.)
M203 grenade launcher (Only Japanese Special Forces Group.)