Neptunus Invert Roller speargun - WoodThe Neptunus is truly the ultimate speargun. It is the most ergonomically designed speargun in the market and by far the best designed and most beautiful killing machine. The invert rollers are here to stay for sure. New advanced materials allowed the optimization of these canons and increased their capabilities to the max. They are extremely versatile lighter than most tuna gun and will outperform any tuna gun in the market. Call us if you want to