The Barnes Expander MZ is a muzzleloader bullet packaged with a sabot and specified at 325 grains. The product data lists sectional density and ballistic coefficient values, and indicates a flat-base design intended for consistent performance in muzzleloading applications. This listing summarizes the available technical details and application context without making performance claims beyond the supplied data.
Key Specifications
- Barnes is the listed manufacturer of these bullets.
- The product family is listed as Expander MZ.
- The configuration is muzzleloader bullets with sabot.
- The listed bullet weight is 325 grains.
- The base type is specified as FB (Flat Base).
- The pack quantity is 15 per box.
- The reported sectional density is 0.211.
- The reported ballistic coefficient is 0.207.
- The description indicates the bullets are designed to expand to approximately twice the original diameter and to minimize fragmentation.
- The source data lists a package weight of 0.85 (unit not specified in source data).
These bullets are intended for shooters who use muzzleloaders and want consistent external ballistics and controlled expansion from a sabot-fed projectile. The Expander MZ line provides the documented sectional density and ballistic coefficient values found in the source data, and the flat-base, sabot configuration supports a range of muzzleloader setups where those characteristics are desired.









