Forward Controls Design M-LOK AR-15 PicatinnyK Handguard Black 15in RHF 15. Machined from 6000 series extruded aluminum the RHF is a sturdy yet lightweight free float handguard. The 7075 aluminum barrel nut ensure a tough sturdy point of installation for the rail system and clocks down your barrel in place while further reducing weight. Featuring M-LOK attachment slots for a multitude of accessory mounting options the handguard also has generous barrel cooling vents for heat dispersion/weight reduction. The anti-rotation tabs ensure proper fit and alignment and prevent movement once installed. A full length 1913 Picatinny rail runs along the full length of the RHF giving you the most versatility for running optics and sighting systems of your choice. Specifications for Forward Controls Design M-LOK AR-15 Picatinny Handguard: Manufacturer: Forward Controls Design Color: Black Finish: Type III Anodized Fabric/Material: Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Rail: Picatinny Package Contents: Forward Controls Design M-LOK AR-15 Picatinny Handguard Forward Controls Design RHF 15: M-LOK AR-15 PicatinnyK Handguard Black 15in