KRISS MagEx2 Kit for G21 17rd — 3-Pack

Description

The KRISS MagEx2 Kit is a magazine extension system designed to work with factory-standard Glock magazine bodies, intended for Gen 3 and later magazines. Each kit comprises an extended baseplate, an outer sleeve, and an extended spring constructed from reinforced composite materials for durability and reduced weight. The MagEx2 is offered caliber-specific and is referenced for use with standard-capacity G17, G20, and G21 magazines, providing higher overall capacities for range and competition environments. This listing is a three-pack and is finished in Alpine White to match compatible pistols and accessories.

Key Specifications

• The kit includes an extended baseplate, outer sleeve, and an extended spring as the three core components.
• Compatible with factory magazine bodies for G17, G20, and G21 magazines.
• Constructed from durable, lightweight reinforced composites for the extension components.
• Provides an overall capacity of 40 rounds for 9mm when configured with the referenced factory magazines.
• Provides an overall capacity of 33 rounds for 10mm when configured with the referenced factory magazines.
• Provides an overall capacity of 30 rounds for .45ACP when configured with the referenced factory magazines.
• Designed for Glock Gen 3 and later factory-standard magazines.
• Marketed for use with KRISS Vector and Glock-compatible pistol caliber carbines as well as Glock handguns.
• Sold as a 3-pack of MagEx2 kits.
• Finish/color is listed as Alpine White.

This three-pack of MagEx2 kits offers a straightforward, component-level solution to increase magazine capacity while retaining the factory magazine body and follower. The reinforced composite parts are sized and shaped to maintain reliable feeding and a clean profile on compatible pistols and PCCs. For users seeking a durable, reversible capacity enhancement for range use, competition, or extended sessions, the MagEx2 provides a proven fitment and functional upgrade without permanent magazine modification.