A6M3 Model 32 - The wings were redesigned to reduce span (better roll), eliminate the folding tips, and square off the wingtips. The two 20 mm wing cannon (翼内 九九式一号20mm機銃2挺)) which required a bulge of the wing with larger ammunition boxes (100 rounds per cannon).  The shorter range proved a significant limitation during the Solomon Islands campaign, during which Zeros based at Rabaul had to travel nearly to their maximum range to reach Guadalcanal and return, the Model 32 was unsuited to that campaign and was used mainly for shorter range offensive missions and interception. 343 were built.