The Hera Arms HFG Vertical Forend Grip is an extremely stable front grip. Made of glass fiber reinforced polymer to improve the impact resistance. The HFG front grip provides an internal storage place, e.g. to store batteries. In relation to the weight, it is one of the most stable front grips on the market. The HFG is compatible with MIL-STD-1913 Rails. In combination with Hera Arms M-Lok Polymer rails it can be also used on M-Lok systems.