KRISS MagEx2 Kit — G17 Mag, 9mm Alpine White, +23rd

The KRISS MagEx2 Kit is an extended baseplate assembly designed to increase capacity for factory-standard Glock 17 magazines. This Alpine White kit includes an outer sleeve and an extended spring made from reinforced polymer composites for a lightweight upgrade. It is caliber-specific for 9mm and provides a +23-round extension, yielding a 40-round total capacity when used with a standard G17 magazine. The kit is compatible with Glock magazines Gen 3 and later and is intended for magazine-capacity extension applications.

Key Specifications

• Manufacturer: KRISS USA, INC..
• Model: MagEx2 Kit.
• Caliber: 9mm.
• Color: Alpine White.
• Compatibility: Fits Glock 17 magazines (Gen 3 and later).
• Capacity change: +23 rounds for an overall 40-round total in 9mm configuration.
• Material: Reinforced polymer composite outer sleeve and spring.
• Requires: Standard factory Glock magazine body and follower to complete the assembly.
• Includes: Extended base plate outer sleeve and extended spring.

Designed for durability and simple installation, the MagEx2 Kit provides a practical capacity solution that preserves magazine feeding and function. Its polymer construction keeps added weight low while offering a clean aesthetic match for Alpine-finish components. Suitable for range use and other lawful applications where increased magazine capacity is desired, the MagEx2 delivers a reliable, engineered option for Glock magazine-compatible pistols and carbine platforms.