IMR 4955 Load Data: 1,629 Published Loads in 49 Cartridges
Empirical Precision indexes 1,629 published loads for IMR 4955 across 49 bottleneck rifle cartridges from 8 reloading sources, spanning projectile weights from 62 gr to 350 gr.
Published Loads1,629
Cartridges49
Sources8
Bullet Weights62–350 gr
Always start low and verify against the original published source before loading.
Powder Data Sheet
- Manufacturer
- IMR
- Grain Type
- Single-perforated Extruded
- Bulk Density
- 992 kg/m³
Burn Rate Position
Position #104 of 145 rifle powders on the Empirical Precision relative burn chart (ordered fastest to slowest).
- Nearest Faster
- IMR 4831, StaBALL 6.5
- Nearest Slower
- Ramshot Hunter, SW4350
A burn chart is a guide, not load data.
Cartridges Published (49)
Sources Publishing Data (8)
| Publisher | Published Loads |
|---|---|
| Sierra | 1,062 |
| Hodgdon | 468 |
| Lyman | 42 |
| Nosler | 27 |
| Federal | 12 |
| Barnes | 8 |
| Hornady | 8 |
| Speer | 2 |