Hera USA's HFG AR-15 Vertical Foregrip is a fantastic upgrade for your AR-15 rifle or SBR. The HFG Forward Grip mounts under your barrel on a standard picatinny rail platform. It's a lightweight versatile improvement that features an internal compartment for small item or battery storage. Turn your AR platform firearm into a highly effective weapon with the HFG Vertical Foregrip.