AAI underwater revolver

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AAI amphibious revolver
Place of originUnited States
Production history
DesignerIrwin R. Barr
John L. Critcher
ManufacturerAAI Corporation

The AAI underwater revolver is an amphibious firearm intended for naval use.[1] The weapon was designed by Irwin R. Barr and John L. Critcher and uses a six-round cylinder inside a jacket covered by a float.


  1. ^ "Underwater Pistol Having a Rotatable Cylindrical Magazine" (PDF).