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Essential tool for cutting grooves for an enclosed track Oversized by .02" to allow for shaft clearance Hardened steel for smooth precise cuts Des...

These are the toughest, hardest South African shafts. Made out of heat-treated "spring steel." Tri-Cut Point Two loading notches 7mm and 7.5mm diam...

No-Slip Hogue GripsThe Hogue grip is a phenomenal upgrade for your speargun or AR Platform Rifle. It is rubberized to maximize comfort and help ab...

K.O. Reusable Powerheads are the perfect underwater protection device for any freediver or SCUBA diver. This is especially true when spearfishing i...

Neptonics is proud to offer this new AR-15 Speargun Handle with a fully interchangeable pistol grip. This is our version of the military spec spear...

The Neptonics Catch All Tote comes in two sizes. Made of PVC mesh. It Has double reinforced straps and bottom. These bags are perfect for carrying ...

The Neptonics Double Roller Head is the same head we use to make our Double Rollers. Stainless Steel Frame 4 Rollers Works perfectly with 9/16 and...

The Neptonics P-TOUGH Booties are the apex of spearfishing and freediving booties. Engineered for performance, comfort, durability, and protection....

The Neptonics Quantum Stealth Spearfishing Rash Guard Top, is an elite Lycra to protect you in the warmest of oceans. Its camouflage pattern is ble...

The Neptonics Quantum Stealth Wetsuit, is an elite wetsuit. It comes in four thicknesses options to protect you in the warmest to the coldest of o...

Our Roller Kit can be mounted flush on your speargun. The Double Roller Stainless Steel bracket has two 1/4" pins that anchors into your wood spear...

Neptonic Systems now offers a great selection of premium speargun shafts, in stock and ready to ship! These shafts work with any type of American m...

The NAT Camo wetsuit has a really good Camo Pattern. HT-Weld Technology which ensures the seams stay tight for the full lifetime of this spearfishi...