By adding stability, the Firefield Rival M-LOK Foregrip helps improve your accuracy in a variety of shooting conditions and control of your AR-15. Rival Foregrips are designed with a skeletonized body to be as light as possible, weighing in at just five ounces. The tactical Rival foregrip's ergonomic design is comfortable to grasp and provides a natural grip when using an AR-15. Rivals are crafted out of aluminum, providing a shockproof and durable body.