Barnes Pioneer 357 Magnum 140gr TSX Ammunition

Barnes Pioneer 357 Magnum Ammunition

Bring your lever gun or revolver back into service with Barnes Pioneer ammunition—a purpose-built cartridge engineered for real-world performance in classic firearms.

Design and Performance

Barnes Pioneer ammunition is specifically designed for lever guns and revolvers, where reliability and terminal performance matter most. Each round features a 140-grain Triple Shock X bullet that delivers:

• Massive expansion upon impact for rapid energy transfer
• Superior weight retention for deeper, more consistent penetration
• Flawless feeding from tubular magazines to chamber
• Lightning-fast follow-up shots with reliable cycling

What You Get

This ammunition is carefully loaded to exacting standards, ensuring consistent velocity and accuracy shot after shot. The Triple Shock X bullet design has earned its reputation through decades of field-proven performance on game animals.

The Bottom Line

If you own a lever gun or magnum revolver, Barnes Pioneer ammunition represents a significant step up in terminal performance. It's ammunition designed by shooters who understand what these classic firearms can do—and what they deserve.