This is the Omer Invictus Carbon Unique Muzzle Design Speargun Features: Carbon fiber barrel Unique muzzle design allows for bands to align rather than overlap Stainless steel trigger mechanism and housing America shaft with 3 laser welded shark tabs specifically designed for use with Dyneema wishbones Can accommodate a shaft up to 7.5mm The Invictus Carbon speargun is characterized by an aggressive design that evokes its spirit. The handle is ergonomic and angled to allow a firm grip during maneuvering and firing. All Stainless Steel trigger, sear, and housing. The unique extended sear reduces the load on the trigger allowing an amazingly easy and smooth trigger pull even with heavy band load. The cylindrical barrel is 100% carbon and made in Italy. This feature is both cosmetically pleasing and extremely rigid. The three band muzzle can accommodate up to 1 ea. 18mm, 1 ea. 16mm, and 1 ea. 14mm bands for maximum power and range. This speargun features Omer Performer 2 bands with Dyneema wishbones.