US Cartridge, 105mm TP-T, M393A1
This cartridge is for use in 105mm gun cannons for training in marksmanship.
The cartridge is similar in appearance and is ballistically matched to the high explosive plastic round M393A1 and M393A2. The projectile is filled with inert material and has a tracer at the base. The projectile is assembled to a steel cartridge case fitted with the same model (M86) electric primer as the service round and contains the same type bagged propelling charge.
Collaborative Ordnance Data Repository