
This cartridge is a smoke screen round developed for use in the M252 improved 81mm mortar system. A three round volley is used to develop the basic smoke screen.
The complete round consists of a MTSQ fuze with an expulsion charge, a projectile containing red phosphorus smoke pellets, a propelling charge comprised of four horse-shoe type propellant increments, a fin assembly, and an ignition cartridge with integral percussion primer.
No information about hazardous components.
Nothing else to see.
TM 43-0001-28, Artillery Ammunition (chg 11, 2003)