+2 Magazine Extension for Glock 9mm, .40 S&W & .357 SIG Magazines

Increase your Glock magazine capacity and improve grip control with the IMI Defense™ +2 Magazine Extension, designed for dependable performance and seamless integration with factory Glock magazines.

Engineered from lightweight reinforced polymer, this durable extension adds two additional rounds to 9mm magazines and one additional round to .40 S&W and .357 SIG magazines while maintaining a streamlined, factory-style profile.

The extension blends naturally with the pistol grip and provides additional surface area for improved handling, especially on subcompact Glock models such as the Glock 26, Glock 27, and Glock 33. Installation is fast and straightforward using the supplied insert plate, with no gunsmithing required.

Built for range use, defensive carry, and duty applications, the IMI Defense™ Glock Magazine Extension delivers enhanced capacity, durability, and control without excessive bulk or weight.

Compatible Glock Models

• Glock 17
• Glock 19
• Glock 22
• Glock 23
• Glock 24
• Glock 25
• Glock 26
• Glock 27
• Glock 31
• Glock 32
• Glock 33
• Glock 39

Compatible with Gen 1, Gen 2, Gen 3, Gen 4, and Gen 5 factory magazines.

Features & Benefits

• Adds +2 rounds to 9mm magazines
• Adds +1 round to .40 S&W and .357 SIG magazines
• Compatible with factory Glock magazines
• Reinforced polymer construction for strength and durability
• Blends naturally with the pistol grip profile
• Improved grip surface on subcompact Glock pistols
• Lightweight design with minimal added bulk
• Easy installation with included insert plate
• No gunsmithing required
• Ideal for range, defensive, and duty use