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Warne

Warne PMAG Glock 19/23 9mm/.40 S&W Magazine Extension

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

Replaces Existing

Baseplate on PMAG Glock 19/23

Adds +5

9mm and +4 capacity with

Includes Extension

Spring

Made From

Anodized aluminum

Ergonomic Shape

Supports easier insertion and removal

$39.99
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SKU: WX2*0743465

Overview

This magazine extension kit is designed for Glock 19/23 PMAG users who want added capacity without changing the magazine platform. It replaces the existing baseplate and includes the extension and spring, with a +5 capacity increase for 9mm and +4 for .40 S&W. The anodized aluminum construction and ergonomic shape are intended to make insertion, removal, and handling more comfortable, while the USPSA 141.25mm legal length makes it suitable for competition use. Magazine not included.

Why Hunters Choose the Warne

Fits Pmag

Glock 19/23 magazines for direct

Adds +5

9mm and +4 capacity with

Includes Extension

Spring for a complete kit

Anodized Aluminum

Construction offers a durable, finished

Ergonomic Shape

Supports easier insertion, removal, and

Key Features

  • Replaces the existing baseplate on PMAG Glock 19/23 magazines
  • Adds +5 capacity with 9mm and +4 capacity with .40 S&W
  • Includes the extension and spring
  • Made from anodized aluminum
  • Ergonomic shape supports easier insertion and removal
  • Meets USPSA 141.25mm legal length

Best Used For

  • Glock 19/23 PMAG users wanting added capacity for range practice or competition use
  • Shooters who want easier magazine insertion and removal during reloads
  • USPSA competitors needing a magazine extension that meets 141.25mm legal length
  • Hunters or outdoorsmen using Glock-pattern magazines and seeking a more ergonomic baseplate

Specifications

Caliber9mm/.40 S&W
Capacity Increase 40 Sw+4
Capacity Increase 9mm+5
CompatibilityGlock 19/23 PMAG
Designed And Made In UsaYes
Ergonomic ShapeYes
FitsPMAG Glock 19/23 magazines
Included ItemsExtension and spring
Magazine IncludedNo
Materialanodized aluminum
Uspsa Legal Length141.25mm

Pros

  • Fits PMAG Glock 19/23 magazines for direct compatibility with listed models
  • Adds +5 capacity with 9mm and +4 capacity with .40 S&W
  • Includes extension and spring for a complete kit
  • Anodized aluminum construction offers a durable, finished feel
  • Ergonomic shape supports easier insertion, removal, and comfortable handling
  • Meets USPSA 141.25mm legal length

Considerations & Trade-offs

  • Magazine not included, so this is an add-on solution rather than a complete magazine purchase.
  • Capacity gain depends on caliber: +5 with 9mm and +4 with .40 S&W.
  • It is designed for PMAG Glock 19/23 magazines specifically, so compatibility is limited to that platform.
  • The extension is built to USPSA 141.25mm legal length, which may matter for users working within division rules.

Suggested Comparisons

  • Glock magazine base pads and extensions
  • Extended-capacity pistol magazines
  • Competition pistol magazine accessories
  • Magazine reload and handling accessories

Suggested Accessories

  • Magazine loader
  • Magazine pouch
  • Cleaning kit
  • Range bag

Frequently Asked Questions

What magazines does this extension kit fit?

It fits PMAG Glock 19/23 magazines.

How much capacity does it add?

It provides +5 capacity when used with 9mm and +4 capacity when used with .40 S&W.

Does this kit include a magazine?

No. The product note says magazine not included.

What comes in the package?

The kit includes the extension and spring.

Is it legal for USPSA use?

The long description says it meets USPSA 141.25mm legal length.