338-378 Weatherby Magnum Load Data: 757 Published Loads from 7 Sources
Empirical Precision indexes 757 published loads for 338-378 Weatherby Magnum from 7 reloading sources, covering 36 bullets and 26 smokeless powders. Most published tables were tested in 26-inch, 24-inch, and 28-inch barrels, and 20% of entries include published pressure measurements.
Published Loads757
Sources7
Bullets36
Powders26
Always start low and verify against the original published source before loading.
Coverage by Source (7)
| Publisher | Published Loads |
|---|---|
| Sierra | 228 |
| Hornady | 190 |
| Hodgdon | 152 |
| Nosler | 69 |
| Berger | 48 |
| Barnes | 40 |
| Lyman | 30 |
Powders Covered (26)
Select a powder to view its cartridges, burn-rate position and specifications.
Bullets Covered (36)
Grouped by bullet manufacturer with projectile weight and model.
Barnes (9)
- 160 gr TTSX FB
- 175 gr TSX FB
- 185 gr TSX BT
- 185 gr TTSX BT
- 210 gr TSX BT
- 210 gr TTSX BT
- 225 gr TTSX BT
- 250 gr LRX BT
- 265 gr LRX BT
Berger (4)
- 250 gr Elite Hunter
- 250 gr OTM Tactical
- 300 gr Elite Hunter
- 300 gr Hybrid OTM Tactical
Hornady (8)
- 200 gr InterLock SP
- 200 gr SST
- 225 gr InterBond
- 225 gr InterLock SP
- 225 gr SST
- 250 gr BTHP
- 250 gr InterLock RN
- 250 gr InterLock SP
Nosler (7)
- 180 gr AccuBond
- 200 gr AccuBond
- 210 gr Partition
- 225 gr AccuBond
- 225 gr Partition
- 250 gr AccuBond
- 300 gr AccuBond
Sierra (5)
- 215 gr GameKing SBT
- 225 gr Pro-Hunter Spitzer
- 250 gr GameKing SBT
- 250 gr MatchKing HPBT
- 300 gr MatchKing HPBT
Speer (1)
- 200 gr Spitzer SP Hot-Cor
Swift Bullet Company (2)
- 250 gr A-Frame
- 275 gr A-Frame