Speargun Parts

If you are looking for parts you have come to the right place! Here at Neptonics we design and supply the absolute best equipment in spearfishing. We built this company on making the highest quality trigger mechanisms designed by our own engineers. We made our mechs to last and handle the roughest conditions. Our trigger jigs make our trigger mechs... Read More

If you are looking for parts you have come to the right place! Here at Neptonics we design and supply the absolute best equipment in spearfishing. We built this company on making the highest quality trigger mechanisms designed by our own engineers. We made our mechs to last and handle the roughest conditions. Our trigger jigs make our trigger mechs easy to install the trigger pocket, line release, and retaining pins. Our triggers are the base of what makes a quality speargun.

Here at Neptonics we stock the best roller kits, trigger mechs, handles, tracks & everything else you could need to assemble your own speargun! Not only are they excellent at building your speargun, but they make perfect replacements or upgrades. This means you never need to look elsewhere for your speargun supplies!

Our excellent range of products includes an extensive range of trigger mechanisms for your speargun. These include tuna trigger mechs, reef trigger mechs, reverse trigger mechs, euro trigger mechs and double trigger mechs. Which when used along our fantastic selection of handles. The handle options include AR 15 A2 grips, composite handles, elite handles & wong handles, and Hogue Grips which gives you the ultimate personalized speargun!

For those more specialized speargun users, we have a fantastic range of modifications like remote trigger kits, line release kits, muzzle ferrules and anchors which you can add to your gun to change its capabilities, check out our full range of products below! All of our options make your search easy for the best parts to build your own speargun.