Product Description Upgrade your Glock Gen 4-5 with the Strike Industries SI-G4 Modular Magazine Release, designed to enhance control and consistency during reloads. This modular magazine release includes two easily interchangeable push-button faces that are CNC milled from 6061 aluminum, while the internal release mechanism uses high-density polymer for smooth ejection and reduced wear on the pistol and magazine cut-outs. Finished in red, it&&';;s a functional and distinctive enhancement for compatible Glock Gen 4-5 pistols (not compatible with Glock 36/42/43). Product Highlights Modular design with two interchangeable, textured push-button heads for a tailored feel CNC-milled 6061 aluminum button faces for durability and crisp engagement High-density polymer internal mechanism promotes smooth magazine ejection Hybrid construction helps minimize wear on magazine retention cut-outs and polymer frames Compatible with most Glock Gen 4-5 pistols (excludes Glock 36/42/43) Specs Brand: Strike Industries Manufacturer Part Number: G4MAGRELEASERED UPC: 793811763492 Product Type: Modular magazine release Series/Model: SI-G4 / Modular Magazine Release Color: Red Materials: 6061 aluminum (button faces); high-density polymer (internal mechanism) Compatibility: Most Glock Gen 4-5 pistols (not compatible with Glock 36/42/43) Included: (2) interchangeable aluminum button heads; (1) screw 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.