Product Summary
The K&M PowerStroke V2 Expand Mandrel for .25 caliber is an essential tool for precision reloaders who need to size brass before neck turning. Because commercial dies lack standardized expander buttons and brass elasticity can cause necks to spring back too tight, this mandrel ensures the inside diameter is perfectly prepared. It works in tandem with the Mandrel Holder and PowerStroke V2 Press Adapter to iron out and slightly expand the case neck. This setup is ideal for preparing virgin or competition brass to ensure a smooth, consistent fit for the K&M Microadjustable Neck Turner.
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