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RCBS 31301 F L DIE SET .270 WINCHESTER SHORT MAGNUM
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SKU: 31301-076683313010
Overview
This two-die set is built for reloading bottleneck cases in .270 Winchester Short Magnum, giving handloaders the tools needed to size, de-prime, and seat bullets in a controlled workflow. The full-length sizer brings cases to SAAMI minimum cartridge dimensions while maintaining headspace to tight tolerances, and its vents are designed to help reduce the risk of case damage from trapped air or excess lubricant. The included seater die uses a built-in roll crimper to secure the bullet as it is seated, which can streamline the final step of assembly. A shell holder is not included, so this set is best suited to reloaders who already have the necessary supporting equipment.
Why Hunters Choose the Rcbs
Two-die Set
Covers full-length sizing and bullet
Full-length Sizer
Die brings cases to SAAMI
Sizer Die
Includes vents to help prevent
Headspace Is
Held to minimum tolerances during
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
- 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 .270 Winchester Short Magnum bottleneck cases
- Hunters who want full-length sizing for consistent chambering in their rifle
- Users needing a seater die with built-in roll crimping for bullet security
- Handloaders who prefer a two-die setup with standard 7/8-inch-14 threads
Specifications
| Die Set Type | Two-die set |
|---|---|
| Headspace Control | Held to minimum tolerances |
| Included Dies | Full-Length Sizer Die with Expander-Decapping Unit; Seater Die with Bullet Seater Plug |
| Intended Use | Reloading bottleneck cases |
| Seater Die Feature | Built-in roll crimper |
| Shell Holder Included | No |
| Sizer Die Function | Brings the case to SAAMI minimum cartridge dimensions |
| Sizer Die Operations | Sizes the outside of the case; de-primes; expands the neck to accept the bullet |
| Sizer Die Vents | Yes |
| Thread Size | Standard 7/8-inch-14 thread |
Pros
- Two-die set covers full-length sizing and bullet seating for bottleneck cases.
- Full-Length Sizer Die brings cases to SAAMI minimum cartridge dimensions.
- Sizer die includes vents to help prevent case damage from trapped air or excess lubricant.
- Headspace is held to minimum tolerances during full-length sizing.
- Seater Die includes a built-in roll crimper to secure the bullet while seating.
- Standard 7/8-inch-14 thread fits common reloading setups.
Considerations & Trade-offs
- Shell holder is not included, so the setup requires a compatible shell holder to be purchased separately if you don’t already have one.
- The full-length sizing die brings cases to SAAMI minimum cartridge dimensions, which can be useful for reliable chambering but may reduce case fit customization for a specific rifle.
- The seater die includes a built-in roll crimper, so it suits loads where crimping is desired; if you prefer to seat without crimping, that feature may be a consideration.
- This is a two-die set for bottleneck cases, so it is geared toward standard full-length resizing and seating rather than more specialized reloading workflows.
Suggested Comparisons
- Reloading die sets
- Full-length sizing dies
- Bullet seating dies
- Bottleneck rifle cartridge reloading tools
Suggested Accessories
- Reloading press
- Shell holder
- Case lubricant
- Case trimmer
Frequently Asked Questions
What does this RCBS die set include?
It includes two dies: a Full-Length Sizer Die with an Expander-Decapping Unit, and a Seater Die with Bullet Seater Plug.
Is this die set made for .270 Winchester Short Magnum brass?
Yes. The product title identifies it as a die set for .270 Winchester Short Magnum, and the 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.