To clarify about the MLAIC targets:
Rifle, pistol and revolver utilise the UIT 50 metre Pistol Target. 10 ring = 50 mm (1.97") diameter, black centre out to 7 ring, measuring 200mm (7.87"), white out to 1 ring, measuring 500mm (19.69").
Revolver and pistol (best hand) is shot at 25 metres...