From the 1920s onwards, British and Commonweatlth drill dummy cartridges were made with three vertical red-painted flutes in the case wall for identification. The cases were plated and also the primer pockets were usually painted red.

Left to right: (1) .380 Revolver   (2) 9mm Parabellum D Mk.2  (3) .455 Webley D Mk. I  (4) 7.62mm Nato L1A2  (5) .30-06 D.Mk.2  (6) .303 D. Mk. VI  (7) .303 D Mk.10  
(8) 7.92mm BESA D Mk. I  (9) .50 Vickers D Mk. I  (10) .50 Spotter L10A1  (11) .50 Browning   

History
Page introduced 14 April 2015