The Barnes Expander MZ bullets are designed for .50 caliber (.451″) muzzleloaders and are offered in a 250-grain configuration with a factory sabot. Each box contains 15 projectiles intended to provide consistent velocities and repeatable external ballistics for muzzleloader applications. The Expander MZ profile emphasizes controlled expansion and high weight retention across a range of velocities.
Key Specifications
- Caliber compatible with .50 cal (.451″) muzzleloaders.
- Bullet weight: 250 grains.
- Bullet design: Expander MZ.
- Includes sabot: Yes.
- Units per box: 15 rounds.
- Series: Muzzleloader.
- Sectional density listed as 0.211.
- Ballistic coefficient listed as 0.207.
Engineered for serious muzzleloader users, the Expander MZ delivers consistent flight characteristics and the sabot system supports repeatable accuracy. Its ballistic profile and construction focus on dependable expansion and weight retention, making these bullets well suited to shooters who demand consistent, high-quality performance from their muzzleloader ammunition.









