Two part ammunition round

Ammunition round comprising:

• a primary cartridge including a first propellant charge and a propellant ignition system;
• a secondary cartridge including a projectile and a second propellant charge, the two cartridges being loadable into a barrel so as to position a rear end of the secondary cartridge adjacent to a front end of the primary cartridge;
• and
• a propellant charge igniter located in one of said cartridges and positioned between the first and second propellant charges, wherein the propellant ignition system includes ignition transfer means for transferring ignition from the rear of the primary cartridge to the propellant charge igniter and the propellant charge igniter includes ignition propagation means for spreading ignition laterally, said propellant charge ignitor comprises a sole means for directly igniting both the first propellant charge and the second propellant charge.