KRISS MagEx2 Extension Kit G21 .45 ACP Alpine White

The KRISS MagEx2 is an extension kit designed to attach to factory-standard Glock magazines compatible with the G21. It pairs an extended base-plate outer sleeve with an extended spring, using the factory magazine body and follower to extend magazine capacity for compatible platforms. The Alpine finish on the kit is an applied, non-Cerakote finish and may differ visually from firearm finishes.

Key Specifications

• Manufacturer: KRISS USA, INC..
• Caliber listed as .45 ACP.
• Designed to fit G21 standard-capacity Glock magazines.
• Material listed as Polymer.
• Finish/color listed as Alpine.
• Includes extended base plate outer sleeve and extended spring.
• Requires a standard Glock magazine for installation.
• Listed weight is 0.27.
• Package length is listed as 17.8.
• Product length is listed as 13.7.

The MagEx2 kit provides a straightforward way to alter the ergonomics and magazine profile of compatible Glock magazines while retaining the factory magazine body and follower. Its polymer construction and Alpine finish are intended to match the appearance of compatible platforms where color-matching is desired. This kit is practical for users looking to change magazine capacity profile and handling characteristics on Glock-compatible pistols and pistol-caliber carbines, while relying on factory magazine internals for feed reliability.