CSI Combined Systems | 40MM Warning Munition - 100M Model 4090-1


40MM Aerial Flash–Bang,100 Meter Warning Signal.

Effective ranges may vary depending on the type of 40MM launcher, condition of the rifling, barrel length, and environmental conditions.

CAUTION: Do not fire this round directly at a crowd, or individual person. The Model 4090-1 should be fired at least 50’ (15 M) above any human subjects. Do not fire directly into any building.


  • Type: Aerial Flash-Bangs
  • Caliber: 40MM
  • Weapon Compatibility: All 40MM Launchers, M203, M79 and Multi-Launcher Type
  • Cartridge Length: 4.1” (104 mm)
  • Effective Range: *100 Meters
  • Sound Output: 165-175 dB
  • Average Light Output: 6Million Candela Minimum
  • Terminal Effects: Explosion and Bright Flash
  • Warranty:5 Years from Shipment Date

WARNING: CSI manufactures a variety of CTS less lethal products which are under pressure, pyrotechnic, incendiary, emit projectiles, generate smoke, or are explosive in nature. When used in accordance with CTS training guidelines and the individual agency's policy, they are intended to cause varying degrees of pain and injury, which are temporary. These products are restricted to law enforcement, corrections, and military personnel and are used to gain compliance, disperse crowds, restore order, or temporarily incapacitate dangerous persons. In rare circumstances, if used incorrectly, CTS less-lethal products may cause damage to property, serious bodily injury or death. Therefore, any person using the force option depicted on this page should receive proper training to ensure the safest and most effective use.