Modular charges

Modular charges

System of Bi-Modular propellant charges (BMCS) for 155 mm canon howitzers.

  • Universal for all projectile types of 155 mm
  • In compliance with Joint Ballistic Memorandum of Understanding (JBMoU)
  • Applied in all firearm systems with the barrel length of 45 and 52 calibres or in older systems with the barrel length of calibre 39 (maximally 5xTC-F)
  • Temperature range of use from -50 °C to +63 °C
  • Fully combustible case of propellant charges
  • Water resistant
  • Limited wear of barrel
  • Lowered flame at muzzle
  • For automatic and manual loading

Bi-Modular Charging System (BMCS) consists of 2 (two) types of modules different in marking, colour, shape, and a visible black stripe.

  • BC-E is used for short distances (Zones 1-2)
  • TC-F is used for long distances (Zones 3-6)
BC-E TC-F
Diameter 158 mm 158 mm
Length 155 mm 177 mm
Modules can be joined NO 6 x TC-F
Type of powder charge Single base powder Triple base powder
Additives YES YES
Ignition CBI + black powder CBI + black powder
Approx. cartridge weight 1.9 kg 2.8 kg
Approx. powder charge weight 1,500 g 2,400 g
Shelf life >15 years when stored in the original undamaged packaging (at the average temperature of +25 °C)