The following weapons were used in the television series Kamen Rider Zero-One:

Pistols

Kimber Warrior

A Kimber Warrior with an airsoft-type muzzle and compensator installed is used by MetsubouJinrai.NET terrorist Jin aka Kamen Rider Jin (Daisuke Nakagawa).

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Kimber Warrior with Pachmayr grips - .45 ACP

A shot of the heavily modded Warrior in "I am the President and a Kamen Rider".

Jin gleefully shoots the Magia in the head.

M1911A1

What seem to be M1911A1 is used by helmeted AIMS operators.

The holstered pistols seen at black Small of Back (SOB) holsters in "I am the President and a Kamen Rider".

Unknown

Submachine Guns

Magia SMG

The Magias are equipped with a submachine gun that appears to be based on a custom gas gun pistol.

The Magias engage Aruto Hiden in "I am the President and a Kamen Rider".

Assault Rifles

Colt M4A1

The Colt M4A1 is used by AIMS operators as their main assault rifle.

Colt M4A1 Carbine - 5.56mm

AIMS operators, including Isamu Fuwa, shoulder their carbines in "I am the President and a Kamen Rider".

Closeup of the carbine's receiver. Note the AIMS insignia, which is just likely a sticker.

Special Weapons

A.I.M.S. Shot Riser

The A.I.M.S. Shot Riser is a weapon and a henshin belt used by Fuwa and Yaiba, aka Kamen Rider Vulcan and Valkyrie.

A.I.M.S. Shot Riser.

Isamu breaks the safety glass inside an unmarked AIMS van in "I am the President and a Kamen Rider".

Isamu firing his SR at a downed Magia android.

Kamen Rider Zero-One

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