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The Neptonics Pocket Plunge Bit is an essential router bit for any gun builder. Designed for cutting your trigger mech pocket and line anchor, we u...

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...

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...

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...

Most likely the most notable advancement in spearfishing gear this century, the floatline clutch from Neptonic Systems is an amazing piece of equip...

Sea Gold by M Essentials is a powerful anti-fog formula that lasts longer than other anti-fog treatments. It's highly concentrated, so a little goe...

The Neptonics Bungee Floatline is a Floatline and Bungee in One! Features a 1600lb continuous Spectra core running throughout the UV protected tubi...

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...

The Neptonics dovetail router bits are perfect for installing Neptonics UHMW Enclosed Tracks on customs wooden spearguns. Make sure that you use th...

The Neptonics dovetail router bits are perfect for installing Neptonics UHMW Enclosed Tracks on customs wooden spearguns. Make sure that you use th...

The Ermes Fish Call consists of a wheel and a firing pin which when activated produces a clicking sound that attracts some species of fish. Made fr...

The Euro Roller Gun Rubber Anchor, is designed to replace your euro guns handle mounting screws and hook your roller rubbers to a fixed solid locat...

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...

The flasher float is the perfect float for traveling and hunting in blue water with lighter-weight ladder and cork-screw flashers. We also like t...

The 'ALPHA' are made from 100% Pre-Preg carbon and are the best of what fins can offer in terms of ascent, descent, surface movement, and in counte...

Authentic Garmin replacement bands and charger cables for MK1, MK2 & MM2i.

High-Quality GoPro Speargun Mounts The Neptonics GoPro Wooden Speargun Mount was designed to fit almost all wooden spearguns on the market. It can ...

The Hatch Amero Speargun was designed by our own Jerry Guerra using 100% Teak and 100% Neptonic components for a lifetime of hard use. This rearhan...

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...

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

Spearfishing just got easier with our Ladder Flashers. Over 5 feet long these highly reflective ladders flashers throw light all over the place. Ho...

Heavy-Duty Lobster Bags for Large Lobsters Secure your lobster catch with this cleverly designed lobster bag. The Heavy-Duty Lobster Bag is equipp...

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,...

Woody is a good friend of ours and pretty well known locally as the most insane lobster diver ever. He's obsessed with lobster and lobster gear and...

Neptonics now offers a great selection of premium EURO speargun shafts, in stock and ready to ship! These shafts work with any type of euro mech. M...

The stainless steel spearfishing flopper from Neptonics is strong and low profile. The flopper is fast and convenient to install. The flopper fits ...

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 Sniper Grip is a formed fitting right hand grip that is compatible to all Neptonics AR bases and AR platforms. Made in the USA from s...

AR Speargun Mid-Handle kit by Neptonics. The AR-15 Speargun handle offers the top attributes avid speargun builders are looking for. Simply cut yo...

Neptonics Beverage Wetsuit! A sick ass way to keep your favorite beverage icy cold!

Spearfisherman and Fish the world over respect the quality and strength of the Neptonics Bluewater Pro Floatline. The 100% Spectra Core gives this ...

We are proud to offer and manufacture the Neptonics Spearfishing Bungee. It’s made with the same quality craftsmanship and detailed construction t...

The Neptonics Bolt On Tuna Clip is compatible with all AR base handles for you speargun. The tuna clip will come out of the AR grip and makes an ea...

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 ...

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 ...

Neptonics cinch knot cord has an aggressive braid that grips itself and never slips. It is the best material we have found for tying bands. With th...

The Neptonics Coalescence Pro Floatline is a Floatline and Bungee in One! It features a 1600 lb continuous Spectra core running throughout the UV-p...

Neptonic Systems is proud to offer the Deluxe Hand Crimper as part of our Crimping Kit. This crimper is ideal for crimping mono and stainless steel...

We make your power bands the same day you order them so they are always fresh. All speargun bands are made to order specifically to your specificat...

The Neptonics Deluxe Travel Speargun Case is an essential when globetrotting to your dive destination! Designed for guns that break down for travel...

The Neptonics Dive Light Belt HolsterThe Neptonics Dive Light Belt Holster is one of the best additions you can get with your Neptonics 860 Lumen D...

Neptonics Diver Down Vehicle Tag

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...

Neptonics Easy Reach Loader is a wrist load assist to help load long roller guns.Simply attach the small hook on the wishbone and use the strength ...

The Neptonics Economy Weight Belt combines a great price with durability. This is the perfect weight belt for a new diver or a diver looking for a ...

Features Works great on any mid-handle speargun build Made from the highest grade of solid stainless steel Trigger offers notched grooves that prov...

Our ELITE Slip Tip is our Flag Ship slip tip. Only a few make it through the ultra precise inspection process to qualify for the "Elite" Sliptip st...

The Neptonics Speargun Epoxy Kit is specially formulated for laminating speargun woods and clear-coat finish on spearguns. This epoxy is ultra clar...

The Neptonics Wide Mouth Euro Trigger Mech is machined out of solid stainless steel and features strong, durable internal components. Like all of ...

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...

Fin Keepers help prevent fin sores, eliminate noise generated by fins, and help secure when using oversized fins. Neptonics Fin Keepers are designe...

The Neptonics fish rattle is a great way to attract the attention of a fish; all you need to do is shake it underwater and it sounds similar to th...

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.

Store you carter float safely on your weight belt Made of heavy-duty nylon and tough velcro Easily accessible when you need it

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

Most likely the most notable advancement in spearfishing gear this century, the floatline clutch from Neptonics is an amazing piece of equipme...

Our foam-filled floatline is superstrong, durable, and reasonably priced. The foam core offers additional buoyancy and the high-visibility orange ...

Neptonics Foot Pockets are ultra-lightweight and incredibly durable. Named the "Featherlite" foot pocket, these are one of the few pockets on the m...

Celebrate your love for spearfishing this Love Of Spearfishing Shirt!

Neptonics 10mm Free Diving Line is super soft and strong! Made to work in conjunction with the Octopus Freediving Gear. The line comes in four len...

The Neptonics Plastic Freediving Fins are great introductory spearfishing fin. The tough, durable, plastic blades are combined with our famous and ...

The Neptonics Free-Diving Float is awesome for line diving. It has a full strap with a D-ring to clip your Line, Float line or Kelp clip too. Use i...

Free diving is an incredible, life-changing experience that should only be performed with the utmost safety precaution and, of course, proper equip...

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

Most carbon fiber fins on the market were designed for free diving which tend to have a more progressive flow making for slower acceleration. The G...

The Neptonics Gear Cube is made of UV treated PVC. These gear cubes are perfect for organizing all the extra essentials in your gear bag. Perfect f...

The Neptonics Gyotaku Shirt design is a rubbing done by our dive buddy EXÖTICA! The 187lb Dogtooth Tuna shot by Jerry Guerra was rubbed at sea on a...

Neptonics Hats! Well they're hats, but they are pretty bad ass! High quality SNAPBACKS!

Super handy for stringing fish and abalone for storage in your kayak or cooler. Two welded points of contact create strong design built to last for...

Neptonics Inset Line Guide is designed to be installed beside the track. This works best on open track roller guns where the risers extend to the f...

Super Simple Speargun Line Anchor. Quick Install 100% Marine Grade Stainless Steel. Screws Included

The Neptonics Jacketed Dyneema Line is the best line out there for reels or shooting line. This line is stiff enough to line easily onto a spear sh...

The Neptonics Fully Rigged Kayak Kelp Clip allows you to easily secure your kayak or dive board to kelp. This setup is a perfect and noninvasive wa...

Neptonics line anchors are used to wrap and hold your shooting line against your speargun and provide an anchor point for your shooting line and mu...

Wraps the shooting line over the shaft holding it to the gun Stainless steel construction Comes with stainless steel screws

The Neptonics Line Keeper Pouch is the perfect solution for managing your rigged speargun shaft. It ensures that the shooting line stays compact an...

Stainless Steel Line Release with a set screw and a pin retainer Works with Neptonics Reef and Tuna Trigger Mechs

Stainless Steel Line Release with a set screw and a pin retainer Works with Neptonics Reef and Tuna Trigger Mechs