Description
RCBS Expander/Decapping Unit – 7mm / .284 Caliber
The RCBS 7mm Expander/Decapping Unit is a factory replacement assembly designed for neck expansion and primer removal in bottleneck rifle cartridges. It’s compatible with a wide range of 7mm (.284") calibers, making it a versatile tool for reloaders working with popular hunting and precision cartridges.
Key Features:
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All-in-One Assembly: Includes expander rod, expander ball, and decapping pin
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Precision Machined: Ensures concentricity and smooth case neck expansion
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Durable Steel Construction: Built for long-term reliability
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Factory Replacement: Same unit shipped with RCBS sizing dies
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Wide Compatibility: Works with cartridges like:
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7mm Remington Magnum
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7mm-08 Remington
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.280 Remington
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7mm Mauser
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7mm Weatherby Magnum
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7mm STW
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.284 Winchester
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7x64 Brenneke
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7-30 Waters
Specifications:
| Feature |
Details |
| Caliber |
7mm / .284 |
| Components |
Expander rod, ball, decapping pin |
| Material |
Hardened steel |
| Item Number |
9809 |
| Compatibility |
RCBS bottleneck sizing dies |
Performance and Application
This unit is essential for maintaining neck tension and primer pocket cleanliness during resizing. It’s especially useful for reloaders who want a spare on hand or need to replace a worn or damaged unit during high-volume sessions.
