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Henning Group Magazine Extension


Henning Group Magazine Extension

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Henning Group Magazine Extensions – Glock & Sig Base Pads for Carry, Competition & Control

🔧 Extended Capacity and Elite Performance for Glock and Sig Pistols

Looking to boost your magazine capacity and handling performance? Henning Group magazine extensions are engineered for serious shooters—offering enhanced grip, fast reloads, and durable construction trusted by professionals in competition and defense.

Mounts Plus offers a full selection of Henning mag extensions for popular platforms like Glock 17, 19, 21, 43, 26, 27, 34, and Sig Sauer P320. These extensions are precision-machined from anodized aluminum, often include upgraded springs, and meet the demands of USPSA, IDPA, and tactical shooters alike.


🔍 Explore Henning Mag Extension Options

🔹 Glock Magazine Extensions

  • Compatible with Glock 9mm, .40, and .45 models
  • Options for Glock 19, 17, 34, 43, 26, 27, 33, 21, and 41
  • Adds +2 to +5 rounds depending on model
  • Available in Blueline and EDC series
  • Great for range, carry, and competition

🔹 Sig Sauer P320 Extensions

  • +3 and +5 capacity upgrades for 9mm and .40 S&W
  • Comes with spring kit for reliable cycling
  • Competition-ready, drop-safe design
  • USPSA Production Legal base pad options

💡 Why Choose Henning Group?

  • ✅ CNC-machined aluminum for durability

  • ✅ Includes baseplate, screws, and often extra springs

  • ✅ Designed to fit factory mags without modification

  • ✅ Improves reload speed and grip control

  • ✅ Trusted by competitive shooters and professionals

Henning Group has built its name in the competitive shooting world, and their extensions deliver match-grade performance for carry, training, or duty use.


⚙️ Compatibility Overview

Platform Models Capacity Added
Glock 17, 19, 21, 34, 43, 26, 27, 33 +2 to +5
Sig Sauer P320 9mm / .40 S&W +3 to +5
Use Case USPSA, IDPA, EDC, Range Varies by mag size

Each extension is built with retention in mind, offering easy removal during malfunctions and maintenance.


❓ Frequently Asked Questions

Q: Do Henning magazine extensions include the spring?

Many models—especially those with +3 or more rounds—include upgraded magazine springs for improved reliability.

Q: Are these extensions legal for USPSA or IDPA?

Yes. Henning makes USPSA Production legal base pads, and many extensions comply with IDPA standards. Always verify division rules.

Q: Will these fit Gen 5 Glock magazines?

Most Henning extensions are Gen 3–5 compatible, but always check the product listing for model-specific fitment.

Q: Can I use these for concealed carry?

Yes. The EDC line is designed for everyday carry use—providing enhanced grip without excessive bulk.


🛒 Shop Henning Group Mag Extensions at Mounts Plus

From the range to the stage to the street, Henning Group magazine extensions deliver the extra rounds, control, and confidence you need. Built tough, field-tested, and competition-proven.