Features 1、Perfect multi‑slot guide rail part, the guide rail is designed for all compatible standard protective gear, four different lengths provide you with 4 choices. 2、Very suitable for connecting various Picatinny accessories, such as flashlights, iron sights, red and green dot sights, micro dots, hangers, sights, optics, grips, bipods or other accessories. 3、Precision machining, using high‑quality T6‑6061 aviation aluminum alloy and high‑strength steel, black matte anodized finish, providing long‑lasting safety performance. 4、These screws are installed by the hex wrenches tool, easy to install and remove. 5、Lightweight and solid style, ultra‑light but sturdy aluminum structure and low‑key design reduce the volume, without adding too much weight and volume when hunting. Item Type: Rail Sections Material: Glass Fiber Nylon Color: Black Package List 4 x Slot Rail 8 x Screw 8 x Nut 1 x Wrench