(0) 
Newsletter
Product no.: 749065020
Mfr. No.: 30679
716876500529 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 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. 100% Copper Exceptional Accuracy Full Weight Retention Razor-Sharp Cutting Edges Double-Diameter Expansion Deep Penetration Effective at High and Low Velocities No Fragmentation Recommended for In-Line RiflesDelivery time approx. 7-14 days.
The BARNES EXPANDER MZ Bullets are designed specifically for muzzleloaders, providing a premium shooting experience with exceptional performance. These bullets are crafted from 100 percent copper and feature a large, hollow cavity that ensures quick and reliable expansion upon impact.
With BARNES EXPANDER MZ Bullets, you can expect greater shooter confidence and an increase in one-shot kills, making them a top choice for serious hunters and shooters alike.
54 Caliber
275
Great performance 05/07/2018
I hunt whitetail deer with the Barnes 45 cal sabot. 45 cal are becoming hard to find. They harvest deer just fine. The design of controlled expansion is great. I used last year to harvest a 150 pound (field dressed) 10 point from 75 yards. He walked a few yards and was done.
Best MZ bullet I have ever used. 16/12/2015
I have used these bullets in my 50 cal. MZ for many years. They are super accurate and deadly. I shoot them in my Thompson Center Black Diamond. I will not shoot any other bullet in this rifle. I use 100 grains of Pyrodex behind them and have no trouble taking and making 100 to 150 yard shots.
We encountered an error while loading this content. Please refresh the page to continue. If the issue persists, contact our customer support.
to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.
Whether you're looking to maintain, repair, or upgrade, we've got what you need!
For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.
Massive Selection
From the essentials to the unique, find everything under one roof.
Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.
Browse our collection and discover why we're the trusted name in shooting sports & hunting.
© 2025 Brownells UK
Part of the Brownells Europe Group
Classical view
Mobile view
Help and contact
