The Neck Sizer Die features an Expander-Decapping Unit. It resizes the case neck only (it doesn’t touch the shoulder or body) and de-primes.
- Resizes case neck only
- Removes spent primer
- Expands case mouth slightly
- Improves accurace and consistency of ammo
- Made in USA
FAQ
What’s the difference between full-length sizing, neck sizing, and small-base sizing dies?
- Full-Length Sizing Dies: Resize the entire case to SAAMI minimum dimensions; best for reliability, semi-autos, or brass used in multiple rifles
- Neck Sizing Dies: Resize only the neck; reduces the chances of case head separation and can improve accuracy in bolt-action rifles fired in the same chamber
- Small-Base Dies: Resize slightly more than standard full length sizing dies; ideal for semi-autos or tight chambers where feeding reliability matters most
More Questions? Refer to the RCBS Dies FAQ
Component and Caliber Reference Table
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