Image: 12pdr12cwtCartridgesMkIIMkIIIDiagram

Description: Diagram of British QF 12 pounder 12 cwt Cartridges, Mk II and Mk III, 1914. This shows the original separate-loading QF cartridge. Later cartridges were fixed QF. For use in the following guns :- QF 12 pounder 12 cwt naval gun QF 12 pounder 12 cwt AA gunMark II : 2 lb Cordite M.D. size 11. The "Mk V Adapter" allows a V.S. (Vent Sealing) percussion or electric tube to be used for firing, replacing the original electric primer. It is used with cordite cylinder igniters. The "Mk II igniter" consists of 10 drams (10/16 oz) R.F.G. 2 powder in a cylindricsl shalloon bag, stitched to the inside of a cordite cylinder 4 inches long x 1 inch diameter. Mark III : 2 lb Cordite M.D. size 11. The "Mk VI Adapter" allows V.S. (Vent Sealing) percussion or electric tube to be used for firing, replacing the original electric primer. It is used with metal igniters. The "Mk I igniter" consists of a flanged metal thimble and a hexagonal sheet brass container, sides pierced with flash holes, lined witrh paper, contains 1/2 oz (8 drams) R.F.G. 2 powder (a form of gunpowder).
Title: 12pdr12cwtCartridgesMkIIMkIIIDiagram
Credit: Plate LXXXVII and Page 441-446, 460 in "Treatise on Ammunition" 10th Edition, 1915.
Author: War Office, UK.
Permission: Crown Copyright expired (50 years)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No