Kriss TDI Mag-Ex2 Extension Kit for Glock 20 – 10mm 33rd

The Kriss TDI Mag-Ex2 is a magazine extension kit designed for Glock 20 magazines in 10mm. The kit is composed of an extended baseplate, an outer sleeve, and an extended spring, all constructed from reinforced polymer. When combined with a compatible Glock magazine body and follower, the Mag-Ex2 provides an increased total capacity of 33 rounds. This listing is for the extension kit components only; factory magazine bodies and followers are not included.

Key Specifications

• The kit model is Mag-Ex2.
• The manufacturer/brand fit is Kriss TDI.
• The kit is specified for 10mm caliber Glock 20 magazines.
• The total capacity when used with a compatible magazine body is 33 rounds.
• Compatible magazines are listed as Glock 20/40 Gen3-5 15rd magazines.
• The kit includes an extended baseplate, outer sleeve, and extended spring.
• The construction material is polymer.
• The finish color is black.
• Packaging quantity is 1 per box.
• The ATF manufacturer is listed as KRISS USA, INC..

For shooters seeking a simple, lightweight way to increase magazine capacity for range use or platform conversions, the Mag-Ex2 delivers a reliable, serviceable extension without altering the original magazine body. Its reinforced polymer construction and straightforward installation make it a practical choice for users who want added capacity while retaining the original magazine’s feeding geometry and handling characteristics.