neptonics

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...

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...

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 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 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 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

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

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

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...

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...

The Ambush Mask from Neptonics offers the perfect balance between low volume and wide field of view for spearfishing. It is perfect for a deep dive...

The AR-15 Speargun Rear Handle is constructed of high-grade marine aluminum. It is made in California by Neptonics. The kit includes everything yo...

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...

Features Retains slip-tip cable securely onto the gun Solid polymer plastic construction Comes with mounting screws

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...

White Sea Bass Floats are great for spearfishing. Once your fish is speared attach the White Sea Bass Float to your shooting line/floatline and act...

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

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...

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...