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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...

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...

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...

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 ...

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 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...

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...