American Rifle Company Xylo Forward External Weight Kit 0.5 Pound Black One Size. Machined from steel this kit mounts outside the chassis along the barrel ensuring a zero-movement fit for improved stability. Specifications for American Rifle Company Xylo Forward External Weight Kit: Manufacturer: American Rifle Company Color: Black Fabric/Material: Steel Features of American Rifle Company Xylo Forward External Weight Kit Mounts on outside of chassis forend Package Contents: American Rifle Company Xylo Forward External Weight Kit Mounting Hardware American Rifle Company 12120-KIT: Xylo Forward External Weight Kit 0.5 Pound Black One Size