Barnes Expander MZ Bullets, the 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 than competing bullets deliver. The result? Greater shooter confidence and more one-shot kills. Expander MZ bullets deliver deadly performance at both high and low velocities. Expand to twice their original diameter, creating six razor-sharp copper petals that slice through game. No fragmentation these tough, deep-driving bullets typically retain 100 percent of their original weight
Sectional Density: 0.157
Ballistic Coefficient: 0.184
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