The Barnes Expander MZ Muzzleloader Bullets with Sabot are engineered for .54 caliber (.500 in) muzzleloader systems and intended for shooters who prioritize consistent expansion and reliable terminal performance. These 275‑grain flat‑base bullets are manufactured to maintain structural integrity and reduce fragmentation while delivering predictable wound channels. Supplied in 15‑count boxes, they pair with appropriate sabots for use in compatible muzzleloader setups.
Key Specifications
- Designed for .54 caliber (.500 in) muzzleloader applications.
- The bullet weight is 275 grains.
- Packaging is a 15‑count box.
- Features a flat base (FB) profile for consistent seating and alignment.
- Sectional density is 0.211.
- Ballistic coefficient is 0.207.
- Engineered to expand to twice their original diameter for controlled terminal performance.
- Designed to form copper petals while minimizing fragmentation to preserve mass.
- Intended for use with sabots in compatible muzzleloader systems.
Consistent manufacturing and carefully engineered expansion characteristics make the Barnes Expander MZ an option for experienced muzzleloader shooters seeking predictable performance. The combination of a flat‑base profile, measured sectional density and a tested ballistic coefficient provides repeatable ballistics shot to shot, making these bullets a practical choice for field use where reliable terminal behavior and accuracy are priorities.
