Product DescriptionThe KRISS MagEx2 Kit is a capacity-extending base plate system designed for factory standard Glock magazines (Gen 3 and later). This kit combines an extended baseplate, an outer sleeve, and an extended spring made from durable, lightweight reinforced composite materials to help maintain reliable feeding and rugged performance. Built as an ideal match for the KRISS Vector and Glock-pattern magazine platforms, the 9mm MagEx2 kit is designed for standard-capacity Glock 17 magazines to increase overall capacity to 40 rounds (adds +23 rounds over the standard magazine body and follower). Shown in Alpine White.Product Highlights Increases Glock 17 (Gen 3+) magazine capacity up to 40 rounds in 9mm (adds +23 rounds) Includes extended baseplate, outer sleeve, and extended spring for a complete conversion Reinforced composite/polymer construction for a strong, lightweight extension system Uses the factory Glock magazine body and follower for dependable feeding Designed to complement KRISS Vector and other Glock magazine-compatible firearmsSpecs Brand: KRISS USA, Inc Product Type: Magazine extension kit / extended base plate system Compatibility: Factory standard Glock 17 magazines (Gen 3 and later); intended for KRISS Vector and Glock-pattern magazine platforms Caliber: 9mm Capacity: 40 rounds (overall capacity when installed; adds +23 rounds) Construction: Reinforced composite / polymer (kit components) Color: Alpine White Included Components: Extended baseplate, outer sleeve, extended spring UPC: 811607032888 Manufacturer Part Number: KVA-MX2K90AP00Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.