This is the Hammerhead Spearguns Mini Proteus Closed Muzzle Speargun For Spearfishing Features: Fully railed barrel. Closed muzzle. Power Helix bands with Metal Coil bridles. Handle comes reel ready, line release, safety mechanism, built in clip and large loading pad. Mono shooting line and front-end standard bungee. This fully railed, Single band, closed muzzle speargun allows for quick and easy reloading. Coupled with the Helix-Power(TM) Band and 17/64 heat treated stainless steel shaft. Handle comes with a safety, line release, and built in clip allow for taggin up to the line or for cliping on a fishstringer. Versatile, Adaptable, and Capable is the perfect description of the HammerHead Proteus(TM) Speargun.