Neptonics

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...

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...

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

Dive flag for extra visibility Make sure boats can see you

Dive flag for extra visibility Make sure boats can see you

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 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...

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 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...

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...

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 ...

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...

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 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...

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

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...

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...

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...

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...

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

The Neptonics Load Assist is a must have accessory for loading roller guns, long spearguns, or for spearfishers with shoulder injuries. It lets you...

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

Pigtail swivels / corkscrew swivels are great for clipping your shooting line to your spearguns. They work well on your speargun reel line. Swivels...

Pigtail swivels / corkscrew swivels are great for clipping your shooting line to your spearguns. They work well on your speargun reel line. Swive...

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 ...

Unique Pinch Design works with any rubber weight belt The Pinch Design prevent weights from sliding around on belt

Pole Spear Power Band Rubber is stocked and stored in a dark, climate-controlled room to ensure maximum life. Each pole spear power band is made t...

The Neptonics Speargun Rubber Kit has everything you need to make your own rubber speargun bands. This is a great kit to keep in your dive bag. Our...

Powerheads are a very controversial subject in the spearfishing community. We do not condone hunting with powerheads, however, we do condone protec...

The Neptonics mid-handle push rod is an essential component every mid-handle speargun. The push rod connects the remote trigger to the trigger mech...

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 ...

The Neptonics Kelp Clip allows you to easily secure your kayak or dive board to kelp. This clip will prevent your kayak or dive board from floating...

Made from the highest grade of marine stainless steel Comes with stainless steel mounting screws Rock-solid line anchor

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...

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...

Spectra is a super strong Polyethylene fiber that offers maximum strength and minimal weight Spectra floats on water and is extremely durable Extr...

Spectra used to make your own powerbands. This Spectra is the perfect diameter for Euro Shafts. Tie a simple double overhand knot once the spectra ...

2.0mm SPECTRA 1000lb+ High-visibility dyneema/spectra is perfect for your speargun reel or rigging your shafts Superb abrasion resistance and durab...

High-visibility dyneema/spectra is perfect for your speargun reel or rigging your shafts Superb abrasion resistance and durable UV coating Neptoni...

Dyneema Wishbones for Euro Shafts. These wishbones work best for "Notched" shafts Absolutely the strongest wishbones Extremely abrasion resistant 1...

We use 2.8mm Spectra for these wishbones that work fantastic on shafts with SHARKFIN TABS. This thick dyneena wishbone material will literally last...

Neptonics is proud to offer our Stainless Steel Crimping Tool. Its built for crimping spearfishing mono and stainless steel cable. Hardened for dur...

Neptonics Stickers

The Neptonics spearfishing stringer is an essential piece of spearfishing gear. This stringer is attached to the diver weight belt and runs the len...

Every spearo has a few Tuna Clips in use. They are used almost daily to clip accessories to floats, spearguns to floatlines, stringers to belts, a...

Neptonics Powerhead Holder that goes on to your weight belt. This a a great way to keep your powerhead safe, secure, and ready to go when you need ...

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...