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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...

Neptonics is your source for your spearfishing gear, and we are very proud to offer our 100% Synthetic Muzzle Bungees. Made from 100% Synthetic Rub...

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

When you shoot a monster fish, there is a potential that you may have landed a world-record fish, so make sure you have a certified scale to docume...

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

The most powerful 16mm (5/8 in.) rubber available with 380% stretch Not harder to load, just snappier than any other rubber, giving your shaft mor...

The Chum Dinger is the best method of deploying your chum at any depth! Make your next big spearfishing trip get on the fish with ease. this hard c...

Great composite handles to outfit your new speargun. It is extremely durable and has a strong grip made from a dense polymer composite, and it is c...

The disco ball flasher emits more light than any other flasher we have used. Our spearfishing disco flasher ball has more than 200 mirrors that be...

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...

The Kunai Knife is a sturdy, compact, lightweight pointed knife.Magnetic Sheath - The Kunai knife comes with a sturdy and flat Cordura sheath with ...

Neptonics is excited to offer the newly redesigned MannySub Roller Power Head Kit, coveted as the best roller muzzle in the world with an extensive...

The Murk Crew Flashers are made in the USA by a group of divers on the East Coast of FL. These are awesome for wahoo, tuna, amberjack, yellowtail,...

Purchasing rubber in bulk is a great way to save money and re-rig multiple guns We recommend changing speargun bands every 6 months to a year depe...

The Neptonics Carbon Tinted Mask is the perfect solution for the stealthy diver trying to find the edge on reef fish. This mask is comfortable and ...

Have you ever been in a situation where you wish you have more than one shot? The Neptonics Double Trigger Mechanism lets you have two shots and fi...

OurDYNEEMA GLOVES are better than ever with our newly upgraded design.We have added an internal teflon coating, making them easier and quicker to s...

All Neptonics speargun parts are built in California by us. This is important because we control the quality every step of the way. Engineering, M...

The Neptonics Fish Scaler is made from 316ss. If you like cooking whole fish this is a must have. Makes quick work of scaling your catch.

Neptonics presents an innovative, smart breakaway adapter for your floatlines. This breakaway adapter contains 1400lb, fully braided Spectra core t...

The Neptonics snorkel is our all-time favorite for free diving, snorkeling, and spearfishing because of its extra-wide tube. It is extremely comfor...

The Marseilles rubber weight belt from Neptonics is a great choice for free diving and spearfishing. This belt is ultra-stretchy and stays around y...

The Neptonics Push Button Dive Light is great for spearfishing! It shines bright in holes and is extremely effective at spotting lobsters at night ...

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

The Peripheral Mask from Neptonics offers an amazing balance between low volume and peripheral view for spearfishing. It is perfect for deep diving...

Neptonics Pinch Weight Mold for the do it yourself diver. This mold produces two lead weights with each pour. Each weight is 2lbs. Clam shell mold ...

The Neptonics Pre-Cut Teak Speargun Blanks Kit is everything you need to build your custom speargun. Neptonics Speargun Blanks are made from Teak a...

The Neptonics push rod retainer is an essential component for every mid-handle speargun. The push rod retainer holds the push rod in place that con...

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...

Neptonic fin rails increase the performance of your fins by channeling water down the blade while also extending the lifetime of your fins.Sold by ...

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...

Slide rings are an essential component in a slip-tip setup Serves as the anchor point for the slip-tip spectra or wire Made of solid stainless ste...

Our belt clip points are manufactured in-house at the Neptonics machine shop in Santa Cruz, California. Whether you need to attach stringers, flash...

Here at Neptonics we pride ourselves in having a wide variety of different spearfishing rubber available for any of your spearfishing needs. We hav...

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 Neptonics Muzzle Bungee is made from 100% synthetic rubber. These bungees will not crack or decay like other muzzle bungees. Ultimately, this i...

The Neptonics insertion tool allows you to easily insert wishbones into band material to make your own power bands. This tool is ideal for any of t...

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...

This is the Sea Pearls Coated Lead Lace-thru Dive WeightsGet the convenience of hard weights without the mess. The Sea Pearls Vinyl Coated Weights ...

The Neptonics Speargun Reverse Trigger Mechanism is the most popular speargun trigger mechanism we offer. It has the durability of our other mech ...

Fantastic spearfishing fins for an incredible price! Spearmaster fins are constructed from an advanced composite-fiber compound to provide the fre...

Flashers are a great tool to have with you when you are hunting pelagic fish, but we have also seen reef fish and even calicos (kelp bass) go crazy...