
This is a training projectile authorized for use with Propelling Charge M3 only. It produces a screening smoke and a slight incendiary effect. Except for a narrower rotating band and a total as-fired weight of 98.22 pounds, this projectile is similar to WP Smoke Projectile M110, and has the same external configuration and ballistic properties as HE Projectile M107.
No information about functioning.
Projectile, 155mm Smoke WP, M110, M110A1, M110A2 (M110E3)
TM 9-1300-203, Artillery Ammunition (1967)