XtraArm Double Yoke Shooting Attachments Black. This is our go-to option for bolt-action rifles and shotguns providing excellent balance and a stable shooting platform while still allowing quick repositioning when needed. It has to andozed aluminum vinyl dipped yokes that are adjustable. Specifications for XtraArm Double Yoke Shooting Attachment: Manufacturer: XtraArm Color: Black Fabric/Material: Aluminum Package Contents: XtraArm Double Yoke Shooting Attachment XtraArm XTRA-DYSA: Double Yoke Shooting Attachments Black