Products

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...

Aussie Reels are made from high-quality nylon and have a great reputation. They are known worldwide for their smooth drag and durabilit...

Blue Flag T-Shirt

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

Cable Replacement Kit & Crimp

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...

200 FEET MONO 25 CRIMPS Crimping tool

Crimping Kit - 300 LB 200FT of 300lb mono 25 crimps Crimping tool

200 FEET MONO 25 CRIMPS CRIMPING TOOL

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...

These 38gm CO2 cartridge used in Neptonics Carter Float, these are the larger CO2 cartidges that are essential for fully inflating carter floats at...

Awesome sticker to put on fins to call in fish Great for amberjacks, wahoos, and yellowtails Reflective material looks like a bait fish Recommend ...

Dive flag for extra visibility Make sure boats can see you

Base for the optional Dive flag

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...

Make your own professional quality float line with these perfectly crafted float line plugs made by Neptonic Systems. They are machined out of sol...

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.

HOME IS CLOSER THAN YOU THINK If you’re venturing off the grid, this small, rugged satellite communicator1 goes beyond the limits of cellular netwo...

Garmin: The Best in Dive Watch TechnologyExplore both of your worlds — underwater and topside — with the Garmin Descent™ Mk2S. This smaller watch-s...

A rip or tear in your wetsuit is bound to happen at some point. The good news is that wetsuits are very easy to repair. With this wetsuit glue, yo...

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...

Made from supple, stretchy and high-quality, durable silicone the Hunt Master BURLEY Diving Belt is a unique weight belt design based on over 30 ye...

Hyperflex “PLAYA” The Playa HZ (HARNESS ZIP) is a 2mm Neoprene diving jacket. As the name “Playa” (Beach) suggests, these are meant for after, befo...

The JBL Pacifica Reel is a quality, high capacity reel designed to handle the toughest reef fish out there. The simple design guarantees functional...

The JBL Reaper Speargun is 100% made in the U.S.A at the JBL factory in Oceanside California. The Reaper looks as deadly as it shoots.The carbon i...

The new JBL Saber fillet knife makes short work out of any fish. The 420 stainless blade is 1” wide and 9” long and curved for close to the bone f...

The Ultimate Freeshafting Speargun The KOAH Battle axe was born from the demand to have a freeshafting speargun with the ability to switch to line ...

The New KOAH BLUEWATER GUN is built for power. This speargun now has a 30% wider body with aggressive front and waist taper. The larger body accomm...

The KOAH Euro Spearguns are complete and outfitted to take down anything in its reach. They are slim, sleek, and weight ballasted. This speargun is...

The New KOAH 75lb High Pressure float is a Tough, Durable, and Tested piece of equipment. Our floats are constructed of High Quality Dropstitch 120...

The Koah Long Utility Fin Bag is one of the best dive bags available. The bag holds Up to 43" Long Fin (with boot, can get up to 45" folding back o...

The Koah Magnetic Dive Knives are Italian built from 420 Heat treated steel, comes with a Teflon protective coating and comfort Koah Orange grip fo...

The Koah Pierce 8' (9'5" total) Carbon Fiber Conventional Banded and Roller Polespear. Constructed of 100% T300 Carbon Fiber for rigidity and high ...

The Koah RSC 60M is exactly what the industry has been waiting for. Rock solid construction, rugged slide on base, balanced wheel design, soft gri...

The best way to describe the Koah Shorties would be " The Pistol of KOAH spearguns". Made from mahogany with a satin oil finish. The shorties are ...

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 Mori knife has stood the test of time and is the most used design in the industry. This knife is the highest quality version of this traditiona...

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...

The Bleed Stopper ™ MedPack™ is your all-in-one First Aid solution that has everything you need, including a tourniquet, to handle the most severe ...

Have you ever jumped in the water and realized you're a bit heavy or too light, but you don't feel like taking the time to restrict your weight bel...

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...