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Expander Balls vs Mandrels — What’s the Real Difference?
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In this episode of the Forster Reloading Podcast, we dive deep into one of the most common questions in precision reloading — what’s the real difference between an expander ball and a mandrel?
Josh and Scott break down the mechanics behind each, when you should use one over the other, and how both impact your brass consistency, neck tension, and overall precision.
We also wrap up the 2025 match season, thank our amazing sponsors and shooters, and talk about what’s coming next for 2026.
Topics covered:
- Expander ball vs mandrel — push vs pull sizing
- How to choose the right method for your process
- When a mandrel really shines (especially for wildcatting)
- The truth about neck tension, bushing dies, and brass life
- Forster’s approach to precision die design
16 episodes
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