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Winchester Unprimed Case 357 Sig Sauer, 100/Bag
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$42.99
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SKU: WSC357SIGU-020892633063
Overview
For reloaders working with .357 SIG, this unprimed brass case set provides a ready starting point for building ammunition to your own specifications. The cases are intended for sizing, and the product notes recommend trimming and chamfering before loading. Some annealing may be present on the brass and can be removed with tumbling if desired. Offered in a 100-count bag, it suits shooters who want a straightforward component for their next reloading session.
Why Hunters Choose the Winchester
Unprimed Brass
Cases arrive ready for sizing
Custom Designed
Manufactured to precise specifications for
Pack 100
Supports larger reloading sessions and
Annealing Marks
May be removed by tumbling
Suitable Sizing,
Trimming, and chamfering prior to
Key Features
- Winchester unprimed brass cases for .357 Sig Sauer reloading.
- Pack includes 100 cases per bag.
- Cases are ready for sizing before loading.
- May show annealing that can be removed by tumbling.
- Sizing, trimming, and chamfering are recommended before loading.
Best Used For
- Reloaders preparing .357 Sig Sauer brass for sizing, trimming, and chamfering before loading.
- Shooters who want unprimed cases for a controlled, step-by-step reloading workflow.
- Handloaders seeking brass cases from a major ammunition brand for bench setup.
- Experienced reloaders comfortable inspecting, tumbling, and preparing cases prior to assembly.
Specifications
| Annealing | May be present |
|---|---|
| Cartridge | 357 Sig Sauer |
| Case Material | Brass |
| Primed | No |
| Quantity | 100/Bag |
| Ready For Sizing | Yes |
| Recommended Preparation | Sized, trimmed, and chamfered before loading |
Pros
- Unprimed brass cases arrive ready for sizing in your reloading workflow.
- Custom designed and manufactured to precise specifications for consistent component use.
- Pack of 100 supports larger reloading sessions and repeat preparation.
- Annealing marks may be removed by tumbling before loading.
- Suitable for sizing, trimming, and chamfering prior to loading.
Considerations & Trade-offs
- These cases are unprimed, so they require standard reloading preparation before use.
- Some annealing may be present on the case and may need to be removed by tumbling prior to loading.
- The brass is recommended to be sized, trimmed, and chamfered before loading, which adds prep time.
- Pack size is 100 per bag, which may be more than needed for smaller reloading sessions.
Suggested Comparisons
- Reloading brass cases
- Pistol cartridge brass
- Unprimed reloading components
Suggested Accessories
- Case trimmer
- Chamfering tool
- Brass tumbler
- Reloading press
Frequently Asked Questions
What comes in this Winchester package?
This listing is for 100 unprimed brass cases in .357 Sig Sauer, sold in a bag.
Are these cases ready to load as-is?
No. The product description says they are unprimed and ready for sizing, and recommends that the brass be sized, trimmed, and chamfered before loading.
Do these cases include primers?
No. They are described as unprimed cases.
Is any case prep mentioned before loading?
Yes. The description notes there may be some annealing on the case, which can be removed by tumbling prior to loading.
What type of reloading component is this?
This is a Winchester reloading component: brass cases for .357 Sig Sauer.