| LoadID | 6353 |
| Bullet | GS Bullets Solid Copper HPBT |
| Bullet Weight | 500 grs |
| Powder | H 4198 |
| Powder Weight | 34 grs |
| Primer | Federal LR |
| Brass Make | Hornady |
| Barrel Length | 18" (inches) |
| C.O.L | 3" (inches) |
| Velocity | 1483 fps |
| Group 100 yds | 1.5" (inches) |
| Submitted By | Phil |
| Gun Info | Thompson Encore 1-20 twist |
| Comment | Moderate recoil with no signs of high pressure.The GS 500gr .458 projectiles are very long (1" 3/4) but they can be seated well in the case as the H4198 is not too bulky. |