Features: Upgrades your firearm with this versatile Picatinny Rail, available in different lengths and slot configurations. Crafted from durable nylon, these rail provide a reliable attachment point for a wide ranges of accessories on standard system. It can be installed with guide rail accessories such as lights, sight glasses, optical mirrors, and handles. Designed for outdoor enthusiasts and individuals seeking dependable firearm accessories. Perfect for various outdoor activities like hunting, sport shooting, and outdoor adventures. Specifications: Material: Nylon Color: Black/SandColor 5 slots Length: approx. 65mm/2.56inch 7 slots Length: approx. 85mm/3.35inch 9slots Length: approx. 105mm/4.13inch 11 slots Length: approx. 125mm/4.92inch Package Includes: 4pcs/set Picatinny Rail(Different sizes) note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.