MAGEX2 EXTENSION KIT 10MM ALP KVA-MX2K10AP00 Manufacturer Model Number: KVA-MX2K10AP00 Manufacturer: Kriss USA Model: MagEx2 Extension Caliber: 10mm Type: Accessory-Magazines Item Type: Accessory Finish: Alpine Weight: .3 lbs Shipping Weight: 0.3 Feature: Fits G20/G40 Magazines Feature: +18 rd. Extension Feature: 33 rd. Total Capacity Optic Adjustable Objective: false Optic Reticle Illuminated: false