Increased Capacity | Carbon Fiber Reinforced Polymer | Designed & Made in the USA

Upgrade your Glock 43X S15 magazines with the spectre3D +5 Round Magazine Extension. This 3-pack is designed to add 5 rounds of additional capacity while maintaining a secure, clean-fitting extension to the magazine body.

Each extension is precision 3D printed from carbon fiber reinforced polymer, providing a lightweight, rigid, and durable construction suitable for regular range and training use.

Features

• 3-Pack – Includes three S15 +5 magazine extensions
• +5 Round Capacity – Adds five rounds to each compatible magazine
• Designed for Glock 43X S15 Magazines
• Carbon Fiber Reinforced Polymer construction
• Lightweight, rigid, and durable
• Secure slide-on design
• Clean, low-profile appearance
• Precision 3D printed
• Designed and manufactured in the USA by spectre3D

Important Spring Requirement

A compatible plus-power magazine spring is required and is NOT included.

We do not recommend relying on the standard magazine spring when increasing capacity. Proper spring tension is important for reliable feeding and function.

What's Included

• 3 × Glock 43X S15 +5 Magazine Extensions

Magazines and springs shown or referenced are NOT included.

Compatibility

Designed for:

Glock 43X S15 magazines

Please verify your magazine type before ordering. These extensions are designed specifically around the listed magazine configuration and may not fit other Glock 43X magazine designs.

Installation

The extension installs by sliding onto the compatible magazine body during magazine reassembly. Installation instructions are included with your order and are strongly recommended to ensure proper assembly and fitment.

spectre3D Quality

Every extension is produced by spectre3D using high-strength materials and precision additive manufacturing. Each part is made with an emphasis on proper fit, durability, and repeatable performance.

PREMIUM QUALITY • PRECISION FIT • BUILT TO PERFORM