Material: plastic Rail Type: 7/8' 20mm Picatinny/Weaver Quad rail: Upper rail with 7 slots, other rail with 3 slots Fit with: S&W, 1911, Glock series, Walther P22, HK P30, SD9VE 9mm, etc. Key benefits Expands accessory mounting options on pistol platforms with a standard 7/8 inch 20mm Picatinny/Weaver rail system Lightweight yet durable plastic construction preserves handling and balance while adding functionality Quad rail layout provides multiple attachment points: a 7slot upper rail for larger items and a 3slot rail for smaller accessories Broad compatibility with common holster, light, laser, grip, and other standard pistol accessories What this offers Practical enhancement for everyday practice, range work, and customized setups Supports a modular approach to outfitting S&W, 1911, Glock series, Walther P22, HK P30, and SD9VE 9mm firearms with accessories Designed to endure typical training and range use while keeping weapon handling comfortable Use scenarios Range day with low light: mount a compact flashlight on the 7slot upper rail and a laser or small accessory on the 3slot rail for improved visibility and aiming accuracy Custom practice builds: add grips, sights, or other compact accessories to the quad rail system to tailor the pistol to your grip and control preferences Everyday carry preparation: create a lightweight, modular setup for common 9mm pistols such as S&W, 1911, Glock series, Walther P22, HK P30, and SD9VE that balances performance and ease of use