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Winchester

WINCHESTER 357 REMINGTON MAGNUM UNPRIMED PISTOL BRASS CASES 100 COUNT WSC357MU

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Winchester .357

Remington Magnum pistol brass cases

100-count Package

For reloading use

New, Unprimed

Brass bagged at the factory

Use Published

Load data

Check Your

Reloading manual or powder manufacturer

$35.99
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SKU: WSC357MU-020892632301

Overview

New, unprimed brass cases like these are intended for handloaders who want a factory-bagged starting point for building .357 Remington Magnum ammunition. They suit shooters who already work from a reloading manual or powder manufacturer data and prefer to assemble loads to their own specifications. Because the cases are sold unprimed, they leave primer selection and load development to the reloader rather than providing a ready-to-fire round. This makes them a practical choice for those focused on controlled, manual cartridge preparation.

Why Hunters Choose the Winchester

New, Unprimed

Brass supplied bagged at the

100-count Package

Supports multiple reloading sessions

Factory-new Condition

Clean starting point for handloading

Clear Guidance

A reloading manual or powder

Winchester-branded Brass

For .357 Remington Magnum pistol

Key Features

  • Winchester .357 Remington Magnum pistol brass cases
  • 100-count package for reloading use
  • New, unprimed brass bagged at the factory
  • Designed for use with published load data
  • Check your reloading manual or powder manufacturer website before loading

Best Used For

  • Reloaders seeking new, unprimed .357 Remington Magnum pistol brass for custom load development
  • Handloaders who prefer factory-bagged brass and verify load data before assembling cartridges
  • Shooters replenishing brass supplies for .357 Remington Magnum pistol reloading sessions
  • Experienced reloaders following published manuals and powder manufacturer data for safe load selection

Specifications

Caliber.357 Remington Magnum
ConditionNew
Count100
Load Data GuidanceCheck your reloading manual or go to a powder manufacturer's website for load data
PackagingBagged at the factory
PrimedNo
Product TypePistol brass cases

Pros

  • New, unprimed brass supplied bagged at the factory
  • 100-count package supports multiple reloading sessions
  • Factory-new condition provides a clean starting point for handloading
  • Clear guidance to verify load data with a reloading manual or powder manufacturer
  • Winchester-branded brass for .357 Remington Magnum pistol reloading

Considerations & Trade-offs

  • This is new, unprimed brass, so it requires primers, powder, bullets, and verified load data before use.
  • The listing does not include load data; the user must consult a reloading manual or powder manufacturer resources.
  • It is sold as pistol brass in a 100-count bag, which may be more than needed for occasional reloaders.
  • No additional specifications are provided here, so compatibility and setup details should be confirmed against your reloading plan.

Suggested Comparisons

  • Reloading brass cases
  • Primers
  • Pistol ammunition
  • Handloading components

Suggested Accessories

  • Reloading manual
  • Priming tool
  • Case cleaning media
  • Powder scale

Frequently Asked Questions

Are these brass cases ready to load as they come out of the package?

No. The product is described as new, unprimed brass cases bagged at the factory, so they are not ready to load as-is.

How many cases are included in this package?

The product title states a 100 count package.

Does this listing include load data or reloading instructions?

No. The description directs you to check your reloading manual or a powder manufacturer’s website for load data.

Are primers included with these cases?

No. The brass is specifically described as unprimed.

What caliber is this brass for?

The title identifies it as .357 Remington Magnum brass cases.