Product DescriptionThe Magpul ESK (Enhanced Selector Kit) is a modular, ambidextrous selector upgrade designed for use with the Magpul SL Grip Module and HK polymer trigger housings. Built to modernize the classic MP5 selector style with improved ergonomics and updated aesthetics, it offers easier firing-hand access to quickly activate or deactivate the safety. The kit is constructed from high-strength polymer with corrosion-resistant steel components and is compatible with three-position S-E-F and Safe-Semi trigger packs on a wide range of HK roller-lock platforms.Product Highlights User-configurable selector levers support true ambidextrous operation. Enhanced ergonomics provide easier firing-hand access to the safety/selector. High-strength polymer construction with corrosion-resistant steel components for durability. Compatible with Magpul SL Grip Module and HK polymer trigger housings. Works with three-position S-E-F and Safe-Semi trigger packs on multiple HK roller-lock models.Specs Brand: MAGPUL INDUSTRIES CORP Model: ESK (Enhanced Selector Kit) / MOE Enhanced Selector Kit Type: Safety/Selector Lever Kit Color/Finish: Black Material: High-strength polymer; corrosion-resistant steel components Hand: Ambidextrous Selector Positions Supported: 3-position (S-E-F) and Safe-Semi trigger packs Compatibility: Magpul SL Grip Module; HK polymer trigger housings; HK roller-lock platforms including HK, HK94, G3, 93, 91, SP5, SP5K, and MP5 Country of Manufacture: USA UPC: 840815122623 Manufacturer Part Number: MAG1071BLKDisclaimer: 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.