Kamen Rider X

The following guns were used in the movie Kamen Rider X:

Uzi

A GOD soldier has an Uzi in Episode 6 The Japanese Islands Fragmentation Plan!. In this episode, it has a wooden stock.

A GOD soldier's Uzi barrel aimed at Jin and Tobei.

GOD soldiers use the Uzi Carbine as their main weapon as seen in Episode 5, The One-Eyed Monster's Human Review Operation!.

Clear photo of where the magazine should be inserted. Unfortunately, there's none.

Jin Keisuke choking a GOD soldier. You can see the Uzi stock, trigger grip and body.