Neck expander mandrel for 0.458 cases
- Thread starter Merdoc
- Start date
Steve Jennings
Gold $$ Contributor
ER-16 collets only go to .408"
Larger than that will require the next size up collet.
Are you limited to 7/8-14 threaded dies?
Larger than that will require the next size up collet.
Are you limited to 7/8-14 threaded dies?
A simple google search found this.
21stcenturyinnovation.com
458 Caliber Incremental Expander Mandrels
21st Century Innovation 458 Caliber Incremental Expander Mandrels. Our large caliber specific expander mandrels are available in .001” increments. These will allow the reloader to find proper neck tension to fine-tune their loads. Precision CNC machined from very high grade stainless steel. We...
21stcenturyinnovation.com
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