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Winchester

Winchester S12PDX1S Defender 12 Gauge 2.75" 1 oz 150 GR 10 Rounds

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

12-gauge Defender

Ammunition designed for personal defense

1 Oz

Segmenting rifled slug breaks into

Segmenting Design

Is intended to compensate for

Described As

Providing critical penetration

Muzzle Velocity

Listed at 1600 fps

$19.99
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SKU: S12PDX1S-020892020801

Overview

Built for personal defense use, this 12-gauge load pairs a segmenting rifled slug with a black plastic hull and a 1 oz projectile designed to break into three equal segments on impact. It is presented as a practical option for both short- and long-range defensive scenarios, with a listed muzzle velocity of 1600 fps. Packaged 10 rounds per box, it offers a straightforward choice for shooters who want a defensive shotgun load with a specialized projectile design.

Why Hunters Choose the Winchester

Personal Defense

Use in 12-gauge platforms

1 Oz

Segmenting rifled slug breaks into

1600 Fps

Muzzle velocity supports a fast-moving

Suitable Both

Short and long range situations

Available 10-round

Boxes for convenient storage and

Key Features

  • 12-gauge Defender ammunition designed for personal defense
  • 1 oz segmenting rifled slug breaks into three equal segments upon impact
  • Segmenting design is intended to compensate for aim error
  • Described as providing critical penetration
  • Muzzle velocity listed at 1600 fps
  • Packaged in boxes of 10 rounds with black plastic hulls

Best Used For

  • Home-defense users seeking a 12-gauge option described for personal defense scenarios.
  • Shooters wanting a segmenting slug load with stated 1600 fps muzzle velocity.
  • Buyers looking for boxed 10-round ammunition for defensive shotgun use.
  • Users who want a load described for both short and long range situations.
  • Hunters or outdoorsmen prioritizing a 12-gauge defensive round with plastic casing.

Specifications

Bullet TypeSegmenting Slug
Bullet Weight1 oz
Caliber12 Gauge
CasingPlastic
Designed ForPersonal defense
Gauge12 Gauge
Grain Weight150 GR
Hull ColorBlack
Muzzle Velocity1600 fps
Rounds Per Box10
Shell Length2.75"

Pros

  • Designed for personal defense use in 12-gauge platforms
  • 1 oz segmenting rifled slug breaks into three equal segments on impact
  • 1600 fps muzzle velocity supports a fast-moving defensive load
  • Suitable for both short and long range situations
  • Available in 10-round boxes for convenient storage and purchase

Considerations & Trade-offs

  • This is a personal-defense load, so it’s purpose-built for that role rather than general-purpose use.
  • The box contains 10 rounds, which may be limiting if you want a larger supply for practice or extended readiness.
  • The segmenting slug design is specific to this ammunition type, so it may not be the right choice for shooters who prefer a conventional slug profile.
  • The product is listed as 2.75" and 12 gauge, so it’s important to confirm compatibility with your shotgun before use.

Suggested Comparisons

  • 12 Gauge slug ammunition
  • Personal defense shotgun loads
  • Short-range defensive shotgun ammunition
  • 12 Gauge target or practice loads

Suggested Accessories

  • Ammunition storage box
  • Shotgun cleaning kit
  • Hearing protection
  • Eye protection

Frequently Asked Questions

What type of 12 gauge load is this Winchester Defender ammunition?

It is listed as a 12 gauge segmenting slug load for personal defense.

How many rounds come in a box?

The product is sold in boxes of 10 rounds.

What muzzle velocity is listed for this ammunition?

The listed muzzle velocity is 1600 fps.

What happens when the slug impacts a target?

According to the product description, the 1 oz segmenting rifled slug breaks into three equal segments upon impact.

Is this ammunition described for hunting or defense use?

The source data describes it as ammunition designed for personal defense and self-defense scenarios, not as a hunting-specific load.