This muzzleloader version of the X-Bullet is 100 percent copper with a large, hollow cavity for quick, sure expansion. Barnes' Expander MZ Muzzleloader Bullets produce more consistent shot-to-shot velocities and better accuracy for greater shooter confidence and more one-shot kills. Expander MZ bullets deliver deadly performance at both high and low velocities. These tough, deep-driving bullets typically retain 100 percent of their original weight. They expand to twice their original diameter, creating six razor-sharp copper petals that slice through game.
| Caliber | 50 Black Powder |
| Bullet Type | Expander MZ |
| Bullet Weight | 300 GR |
| Rounds Per Box | 15 |
| Style | Hollow Point |
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| Game Type | |
| Sabot | Yes |
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