Spear Fishing is one of the most exciting challenges in diving. Stalking and Shooting a Fish can be something you should share with your dive buddies and non-diving friend's alike. Catching the action of this exhilarating sport is easy with Z Gear's Spear Gun Camera Mount for GoPro Camera Housings. Z Gear's Low Profile Spear Gun Camera Mount Fits Most Rail Spear Guns. It Clamps-On the Gun Barrel (Rail) and Tightens Down. It will-not Obstruct-your-Shooting or the Flow of the Lines. Low Profile Rail Spear Gun Mount is made from a Durable Corrosion Resistant Anodized Aluminum for years of service. Mount is covered by a 12 month limited warranty.