Samson 2in Accessory Rails M-LOK 2 rails Black. For maximum ruggedness Samson machined these AR Handguards & Forends from 6061-T6 aluminum complete with a MIL-A-8625 type III class 2 anodizing that protects them from corrosion due to harsh environments. This Samson 2in Accessory Rail Kit is incredibly lightweight yet one-piece construction that ensures it can handle the weight of your accessories. Those rails provide a smooth transition to your handguard so that you can seamlessly attach optics lights and other accessories. Also these rails are built for continuous mounting which prevents rails from becoming loose or falling off from attachment. Stack these Samson 2in Accessory Rails onto your weapon for a comprehensive rail system that will improve your shooting experience and expand your customization capabilities. Specifications for Samson 2in Accessory Rails M-LOK 2 rails Forends and Handguards: Manufacturer: Samson Color: Black Finish: MIL-A-8625 type III class 2 anodizing Fabric/Material: 6061-T6 Aluminum Gun Rail: Accessory Rail Gun Type: Rifle Weight: 0.95 oz Included Accessories: Standard Quantity: 1 Mount Type: M-LOK Handguard Length: 3.42 in Package Contents: Samson 2in Accessory Rails M-LOK 2 rails Forends and Handguards Samson 04-01006-01: 2in Accessory Rails M-LOK 2 rails Black