Model Variants (Including Prototypes)
A7M - Base Series Designation
A7M1 - Initial variant; fitted with Nakajima Homare 22 series engine of 2,000 horsepower; three examples produced.
A7M2 - Improved A7M1; fitted with Mitsubishi Ha-43 series engine of 2,200 horsepower; five prototype-quality aircraft produced.
A7M3 - Proposed land-based variant fitting supercharged Mitsubishi Ha-43 engine; never produced.
A7M3-J - Proposed land-based variant; never produced.