20mm Autocannon

[Edit] 20mm Autocannon No.1538 20mm機銃
Anti-Aircraft Gun Effects: +4 Abyssal Equipment
Refittable Class
Fast Battleship	Battleship
Aviation Battleship	Standard Aircraft Carrier
Armored Carrier	Light Carrier
Heavy Cruiser	Aviation Cruiser
Light Cruiser	Torpedo Cruiser
Training Cruiser	Destroyer
Coastal Defense Ship	Submarine
Aircraft Carrying Submarine	Seaplane Tender
Fleet Oiler	Submarine Tender
Repair Ship	Amphibious Assault Ship

Notes

Category Enemy ships with 20mm Autocannon as equipment not found

• No Abyssal currently equip it.
• The Abyssal equivalent of the 12.7mm Single Machine Gun Mount.