Product DescriptionThe Pachmayr Mag Sleeve is designed to adapt full-size magazines for use with compact handguns, helping close the grip gap when using higher-capacity magazines. This sleeve lets you carry your compact pistol with a standard magazine for concealment, then switch to a full-size magazine when added grip area and additional rounds are desired. Built from durable polymer in a black finish, it is compatible with Glock 29/30 pistols when using Glock 20/21 magazines.Product Highlights Adapts full-size magazines for improved fit and control in compact handguns Compatible with Glock 29/30 pistols when using Glock 20/21 magazines Helps extend grip area for a more comfortable hold and better handling Durable polymer construction with black finish Easy slip-on sleeve design (installation hardware may be included)Specs Brand: Pachmayr Product Type: Magazine sleeve / grip extension Color: Black Material: Polymer Compatibility: Glock 29/30 (with Glock 20/21 magazines) Manufacturer Part Number: 03853 UPC: 034337038535Disclaimer: 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.