13 Firearm attachments; Firearm attachments, namely, fire control systems for firearms; Firearm attachments, namely, fire control systems for physical repositioning a firearm; Firearm attachments, namely, fire control systems employing computer vision for physical repositioning a firearm; Firearm attachments, namely, gimbals for firearms; Firearm attachments, namely, gimbals for physical repositioning a firearm; Firearm attachments, namely, gimbal employing computer vision for physical repositioning a firearm