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Manufacturers RCBS

RCBS Exp-Decapping Unit 6mm #09805

$30.00 incl GST

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05587

RCBS, Rifle Dies

Specifications

brand: rcbs
equipment: decapping

Description

RCBS Exp-Decapping Unit 6mm #09805

These replacement decapping units feature an expander rod, expander ball, and decapping pin. They are used in sizing dies to de-prime the case and expand the case neck in bottleneck cartridges. It is always a good idea to keep an extra decapping unit on-hand so you can ensure your reloading sessions do not get interrupted if you ever damage them during use.

➼ Factory Replacement Part
➼ Precision Machined to ensure concentricity
➼ Expander Rod, Expander Ball and Decapping Pin
➼ .243/6mm
➼ Model: 9805
 

Best Suited For

  • Reloaders using RCBS sizing dies for 6mm / .243 caliber rifle cartridges
  • Popular cartridges include:
    • .243 Winchester
    • 6mm Remington
    • 6mm Creedmoor
    • 6mm ARC
  • Shooters needing a reliable replacement expander/decapping assembly
  • Reloaders aiming for consistent neck tension and smooth depriming

When To Use It

  • When your decapping pin is bent, broken, or worn
  • During resizing to remove spent primers and expand the case neck
  • When restoring or maintaining a 6mm RCBS sizing die
  • As a backup spare to avoid downtime during reloading sessions

Technical Information

  • Model: 9805
  • Caliber: .243 / 6mm
  • Type: Expander-Decapping Assembly
  • Function:
    • Removes spent primers
    • Expands case neck for correct bullet seating
  • Material: Precision-machined steel for durability and concentricity
  • Compatibility:
    • Designed for RCBS sizing dies in 6mm/.243 family cartridges
  • Design Feature: Maintains case neck alignment and uniform tension

FAQs

Q: Is this just a decapping pin?
❌ No — it’s a complete assembly (rod, expander ball, and pin).

Q: What cartridges does it support?
✔️ Works with most .243/6mm cartridges, including .243 Win and 6mm Creedmoor.

Q: Do I need to adjust it after installing?
✔️ Yes — proper adjustment ensures reliable primer removal without bending the pin.

Q: Why is the expander ball important?
✔️ It sets correct neck diameter, ensuring consistent bullet seating and accuracy.

Q: Can I use it in non-RCBS dies?
❌ Not recommended — designed specifically for RCBS die systems.

Delivery and Compliance

  • Classified as a reloading die spare part (non-controlled item)
  • Generally permitted for import into New Zealand (no powder, primers, or ammunition)
  • Ships via standard international courier

Questions?

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