Product Description Upgrade your factory Glock magazines with the ProMag PM050 extended-capacity floor plates. This set increases capacity by +2 rounds for 9mm Luger magazines and +1 round for .40 S&W magazines while also adding extra gripping surface for more positive control. Made from durable injected-molded black polymer, these floor plates install with no permanent modification required and allow you to convert two magazines per package. Product Highlights Adds +2 rounds to factory Glock 9mm magazines and +1 round to factory Glock .40 S&W magazines Provides additional gripping surface for improved handling and control Durable injected-molded black polymer construction No permanent modification required for installation 2-pack converts two (2) magazines Specs Brand: ProMag Manufacturer Part Number: PM050 UPC: 708279006166 Type: Magazine floor plate / extension Caliber Compatibility: 9mm Luger, .40 S&W Capacity Increase: +2 (9mm), +1 (.40 S&W) Material: Injected-molded polymer Color/Finish: Black Pack Quantity: 2 per pack Fitment: Factory Glock magazines (commonly listed for Glock G17, G19, G26, G34, G22, G23, G27, G35) Country of Manufacture: USA 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 products manufacturer.