BLK LBL MDRX & WLVRN Long 13inch Handguard Tungsten 13 inch. The free floating design improves accuracy and the Picatinny top rail and M-LOK slots on sides and bottom allow full flexibility to add after market accessories. Specifications for BLK LBL MDRX & WLVRN Long 13inch Handguard: Manufacturer: BLK LBL Handguard Length: 13 in Features of BLK LBL MDRX & WLVRN Long 13inch Handguard Free float aluminum handguard Flush folding integrated bipod Bipod leg lock components are hardend stainless steel for durability Extendable inner legs are lightweight and durable carbon fiber 6 leg extension settings in 3/4 increments Leg extension is a smooth one-handed operation Grippy and Durable rubber feet When stowed the bipod legs are captured by rare earth magnets making them quiet and secure When open the bipod legs lock on a tapered mount making them rattle free and solid M-LOK compatible Lifetime Warranty Package Contents: BLK LBL MDRX & WLVRN Long 13inch Handguard BLK LBL BL-WLVRN-H-LG-TNS: MDRX & WLVRN Long 13inch Handguard Tungsten 13 inch