German Cartridges, Pistol 9 mmMarkings of German Ammunition for 13-mm to 30-mm Weapons
HANDBOOK OF ENEMY AMMUNITION
PAMPHLET No. 5
GERMAN SMALL ARMS AMMUNITION, GREANDES AND
DEMOLITION CHARGES
INTERCHANGEABILITY

(i) 7.92-mm German ammunition is interchangeable with British 7.92 mm Besa ball.

(ii) 9-mm German Pistol and Machine Carbine ammunition is interchangeable with British 9-mm Parabellum.

(iii) 13-mm, 15-mm, 20-mm and 30-mm German ammunition is not interchangeable with Britisg Service ammunition.