Product Description The Strike Industries Aluminum Extended Magazine Plate for Glock G17 (9mm) / G22 (.40 cal) is designed to provide smoother magazine reloading with a slow-drag, no-snag profile while maintaining maximum magazine capacity. Machined from durable 6061-T6 aluminum and finished in Flat Dark Earth, this extended base plate increases capacity by +5 rounds for 9mm magazines or +4 rounds for .40 cal magazines on compatible OEM double-stack Glock magazines. An included aluminum locking plate adds extra locking security for confident use. Product Highlights Extended magazine plate designed to promote smoother reloads with a low-drag, no-snag design Machined 6061-T6 aluminum construction for strength and durability Adds +5 rounds (9mm) or +4 rounds (.40 cal) to compatible OEM double-stack Glock magazines Includes an aluminum locking plate for extra locking security Flat Dark Earth finish to match compatible builds and accessories Specs Brand Name: Strike Product Type: Extended magazine plate / base plate Compatibility: Glock G17 (9mm) and Glock G22 (.40 cal) magazines (OEM double-stack) Capacity Increase: +5 (9mm) / +4 (.40 cal) Material: 6061-T6 aluminum Color: Flat Dark Earth Includes: Aluminum locking plate Manufacturer Part Number: EMPALG17FDE UPC: 793811765717 Disclaimer: 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.