257 Roberts Ackley Improved Load Data: 531 Published Loads from 4 Sources
Empirical Precision indexes 531 published loads for 257 Roberts Ackley Improved from 4 reloading sources, covering 20 bullets and 26 smokeless powders. Most published tables were tested in 26-inch and 24-inch barrels, and 5% of entries include published pressure measurements.
Published Loads531
Sources4
Bullets20
Powders26
Always start low and verify against the original published source before loading.
Coverage by Source (4)
| Publisher | Published Loads |
|---|---|
| Sierra | 336 |
| Nosler | 135 |
| Barnes | 36 |
| Hodgdon | 24 |
Powders Covered (26)
Select a powder to view its cartridges, burn-rate position and specifications.
Bullets Covered (20)
Grouped by bullet manufacturer with projectile weight and model.
Barnes (3)
- 80 gr TTSX BT
- 100 gr TSX BT
- 115 gr TSX FB
Nosler (6)
- 85 gr Ballistic Tip Varmint
- 100 gr Ballistic Tip
- 110 gr AccuBond
- 115 gr Ballistic Tip
- 115 gr Partition
- 120 gr Partition
Sierra (10)
- 70 gr BlitzKing
- 75 gr VarmintKing HP
- 87 gr VarmintKing Spitzer
- 90 gr GameKing HPBT
- 100 gr GameKing SBT
- 100 gr MatchKing HPBT
- 100 gr Pro-Hunter Spitzer
- 117 gr GameKing SBT
- 117 gr Pro-Hunter Spitzer
- 120 gr GameKing HPBT
Speer (1)
- 120 gr Spitzer BTSP