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RCBS 10501 F L DIE SET 223 WINCHESTER SUPER SHORT MAGNUM
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 10501-076683105011
Overview
This two-die set is built for reloading bottleneck cases, giving handloaders a full-length sizing die and a seating die in one package. The sizing die returns cases to SAAMI minimum cartridge dimensions, de-primes them, and expands the neck for bullet seating, while vents help reduce the risk of case damage from trapped air or excess lubricant. The seating die includes a built-in roll crimper, allowing the bullet to be seated and secured in the same step. It uses standard 7/8-inch-14 threads, and a shell holder is not included.
Why Hunters Choose the Rcbs
Two-die Set
Covers full-length sizing and bullet
Full-length Sizer
Die brings cases to SAAMI
Sizer Die
De-primes and expands the neck
Die Vents
Help reduce case damage from
Seater Die
Includes a built-in roll crimper
Key Features
- Two-die set for reloading bottleneck cases
- Includes a full-length sizer die with expander-decapping unit
- Sizer die brings cases to SAAMI minimum cartridge dimensions
- Sizer die vents help reduce case damage from trapped air or excess lubricant
- Seater die includes a bullet seater plug and built-in roll crimper
- Standard 7/8-inch-14 thread; shell holder not included
Best Used For
- Reloaders working with bottleneck cases that need full-length sizing and seating in one die set.
- Hunters loading 223 Winchester Super Short Magnum cartridges for consistent case preparation.
- Users who want a die set with built-in roll crimping during bullet seating.
- Reloaders needing standard 7/8-inch-14 thread compatibility with their press setup.
- Those who already have a shell holder and only need the die set components.
Specifications
| Case Body Length Change During Full Length Sizing | Avoided |
|---|---|
| Die Set Type | Two-die set |
| Headspace Tolerance | Minimum tolerances |
| Intended Use | Reloading bottleneck cases |
| Seater Die Feature | Built-in roll crimper |
| Seater Die Includes | Bullet Seater Plug |
| Seater Die Type | Seater Die |
| Shell Holder Included | No |
| Sizer Die De Primes | Yes |
| Sizer Die Expands Neck | Yes |
| Sizer Die Function | Brings the case to SAAMI minimum cartridge dimensions |
| Sizer Die Includes | Expander-Decapping Unit |
| Sizer Die Sizes | Outside of the case |
| Sizer Die Type | Full-Length Sizer Die |
| Sizer Die Vents | Yes |
| Thread Size | Standard 7/8-inch-14 thread |
Pros
- Two-die set covers full-length sizing and bullet seating in one package.
- Full-Length Sizer Die brings cases to SAAMI minimum cartridge dimensions.
- Sizer die de-primes and expands the neck for bullet acceptance.
- Die vents help reduce case damage from trapped air and excess lubricant.
- Seater Die includes a built-in roll crimper for seating and crimping together.
- Standard 7/8-inch-14 thread fits common reloading setups.
Considerations & Trade-offs
- Designed for bottleneck case reloading, so it is not a universal die set for every cartridge type.
- A shell holder is not included, so that component must be sourced separately.
- The full-length sizing step brings cases to SAAMI minimum cartridge dimensions, which can be a tighter fit than partial sizing for some loading preferences.
- The seater die includes a built-in roll crimper, which is useful for securing bullets but may not suit loads where crimping is not desired.
Suggested Comparisons
- Bottleneck rifle case die sets
- Full-length sizing dies
- Bullet seating dies
- Reloading shell holders
Suggested Accessories
- Reloading shell holder
- Case lubricant
- Case cleaning equipment
- Bullet puller
Frequently Asked Questions
What comes in the RCBS 10501 F L Die Set for .223 Winchester Super Short Magnum?
It includes two dies: a Full-Length Sizer Die with an Expander-Decapping Unit, and a Seater Die with a Bullet Seater Plug.
Is this die set intended for bottleneck cases?
Yes. The product description says it is intended for reloading bottleneck cases.
Does this set include a shell holder?
No. The specifications state that a shell holder is not included with this die set.
What thread size does this die set use?
It uses standard 7/8-inch-14 thread.
Does the seater die crimp the bullet?
Yes. The included Seater Die has a built-in roll crimper to secure the bullet at the same time as it is seated.