The Kriss USA MagEx2 extension transforms your G21 magazine into a high-capacity platform without requiring a complete new magazine. This extension stacks an additional 17 rounds of 45 ACP capacity onto compatible base magazines, giving you practical ammunition reserves for defensive, training, or competition applications. The flat dark earth finish matches modern tactical aesthetics and resists corrosion in field conditions. Designed for the Kriss Vector platform, the MagEx2 uses proven engineering to maintain reliable feeding geometry and mag-well compatibility. Installation is straightforward, and the extension functions seamlessly with standard magazine springs and followers, meaning you can upgrade existing magazines without replacing them entirely. Capacity and Caliber - Adds 17 rounds of 45 ACP capacity to G21 magazines - Extends overall magazine height while maintaining reliable feeding - Designed specifically for Vector platform magazines Construction and Finish - Durable polymer and steel construction - Flat dark earth finish for corrosion resistance and low visibility - Precision-molded extension body for consistent mag-well fit Compatibility and Function - Direct fit for G21-pattern magazines - Works with Kriss Vector 45 ACP platforms - Maintains original magazine spring reliability - No modifications to firearm required Specifications - Caliber: 45 ACP - Magazine capacity increase: 17 rounds - Color: Flat Dark Earth - Material: Polymer and steel construction - Platform: Kriss Vector compatible - UPC: 811607032963