GrovTec US Side Rider Sling Mount Snap Hook Loop Black. Low profile mounting system sits below sight-line of optics. Specifications for GrovTec US Side Rider Sling Mount: Manufacturer: GrovTec US Color: Black Fabric/Material: Aluminum Finish: Type III Hard Anodized Features of GrovTec US Side Rider Sling Mount Designed For A Sling Mount on The Top Rail Of A Handguard Low Profile Mounting System Sits Below Sight-Line of Optics Package Contents: GrovTec US Side Rider Sling Mount GrovTec US GTSW323: Side Rider Sling Mount Snap Hook Loop Black