HSM has developed an entire lineup of fine hunting ammunition featuring the time-honored Sierra GameKing/Pro-Hunter bullets. Each caliber's components have been precisely matched to each GameKing/Pro-Hunter bullet to maximize their potential for accuracy and performance.
| FireArm | No |
| HazAir | Yes |
| Bullet Weight | 125 gr |
| Muzzle Velocity | 2200 fps |
| Casing Material | Brass |
| Muzzle Energy | 1344 ft lbs |
| Rounds Per Box | 20 |
| Boxes Per Case | 25 |
| Application | Hunting |
| Bullet Type | Pro Hunter |
| Caliber | 300 Blackout |
