IMI Systems is a defense systems house specializing in the development, manufacturing, marketing and implementation of end to end combat-proven solutions for the land, air, naval and homeland security (HLS) requirements of the modern battlefield.

25mm Barrel Insert System (BIS)

  • An internally mounted subcaliber training device for live fire training of tank crews up to a range of 1,500m
  • BIS can be fitted to any Main Battle Tank (MBT) using a 120mm smoothbore gun, such as the Leopard 2 and M1A2 Abrams
  • It is designed for firing 25mm TPDS-T modified M910 or HEI-T modified M792 cartridge
  • Identical aiming and firing procedures as the full-bore tank cartridge
  • No tank modifications needed
  • Automatic Breech Opening device (after firing)
  • Type classified and in use by several armed forces using the Leopard 2 MBT