| Technical Specifications | |
| Description | The M3A1 propelling charge is a green bag type designed for use in 155mm howitzers for firing in Zones 1 through 5. |
| Cannon Used With | M1, M1A1, M45, M126, M126A1, M185, M199, Panter and Fırtına (from 3rd green bag) |
| Diameter | max. 127 mm |
| Complete Length | max. 406, min. 355 |
| Complete Round Weight | ~ 2,8 kg |
| Type | Green bag, separate loading |
| Ignition Charge | CBI propellant; 100 g |
| Propellant | Single perf. M1 propellant (~2,5 kg) |
| Flash Reducer | Potassium Sulphate |
| Primer Type | Separate primer, MKE MOD 51, M82, MK2A4 or equivalents |