| LoadID | 3104 |
| Bullet | Swift A-Frames .475" diameter |
| Bullet Weight | 500 grs |
| Powder | Hodgens Varget |
| Powder Weight | 79 grs |
| Primer | Fed. 215 |
| Brass Make | Hornady basic belted cyllindrical |
| Barrel Length | 22.75 (inches) |
| C.O.L | 3.445-3.455 (inches) |
| Velocity | 2040 fps |
| Group 100 yds | .475 (inches) |
| Submitted By | Bullets4Muskegs |
| Gun Info | Krieger cut rifled & cryoed barrel / 9.75" twist rate |
| Comment | Original .458 Mag Factory ballistics with very good accuracy and easilly handled recoil in a Weatherby actioned 12 lb. rifle. The case length is only .015" under the trim length and with the 470 Nitro crimp possition COL is only a little shorter than normal. |