GALARRA Carbon Fibre Speargun - Invert Roller - Gloss Finish - 55cm-130cm


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Literally translated as FISH HARPOON in Ancient Aboriginal Dharawal Language, the ‘GALARRA’ Carbon Fibre Speargun is Hunt Master’s modern version of one of the most primitive and traditional weapons known to... Read more

Size: 55cm

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Literally translated as FISH HARPOON in Ancient Aboriginal Dharawal Language, the ‘GALARRA’ Carbon Fibre Speargun is Hunt Master’s modern version of one of the most primitive and traditional weapons known to mankind.

The archaic practice of catching fish with a harpoon has been around in Australia in one form or another for some 50,000 years, but never in such an effective, reliable or desirable form as the Hunt Master ‘GALARRA’ speargun.

With the arrival of higher technologies, stronger materials and more comprehensive production methods we have created a power-assisted harpoon that’s not only deadly accurate but also powerful, super simple to use and extremely reliable.

What is the difference between a traditional, open-head speargun and Invert roller speargun?

Hunt Master has boosted the traditional speargun with another amazing piece of revolutionary technology using the ‘WOOMERA’ Invert Roller head.

A ‘WOOMERA’ is a wooden Australian Aboriginal spear-throwing device. Similar to an atlatl, it serves as an extension of the human arm, enabling a spear to travel at a greater speed and force than possible with only the arm.

The Hunt Master Invert Roller speargun is the modern-day ‘Woomera’, enabling a spear shaft to travel at a much greater speed, force and accuracy than possible with only the traditional open-head muzzle speargun.

Why the ‘Woomera’ compound invert roller head?

Compound (Invert) roller guns - This is the equivalent of a compound archery bow, in comparison to a normal bow. The compound roller gun produces more power, efficiency, accuracy and hardly any recoil on the handle. These guns have shot many world-record fish and give a massive advantage over other conventional guns when targeting larger fish.

When loading a large number of rubbers, it doesn’t place strain on the handle and your hand when firing meaning you can hunt using one hand, rather than the traditional very heavy and painful bluewater spearguns

The smaller overall size of these guns makes them very convenient when hunting and travelling, meaning you can move your gun easily in the water and at the same time produce much more power and accuracy than the traditional 130 or 140cm open-head muzzle spearguns.

Our Dilemma Solved!

The WOOMERA Inverted Roller Speargun has finally addressed all the issues of previous invert roller guns in one new and unique design. When designing this speargun, our team of advanced divers and spearos sat with our engineers and manufacturers for weeks on end to fine-tune what is needed for the ultimate invert roller speargun.

We wanted an invert roller gun that can be a true ‘all-rounder,’ featuring a speargun and head that can hold hundreds of kilos of pressure; be used for both single- and double-flopper shafts and alternate setups according to what species are being targeted.

Examples of Setups:
  • When targeting large, powerful blue-water species, use thicker, double-flopper shafts and increase the number of rubbers.

  • When targeting reef species, use single-flopper shafts and decrease the number of rubbers.


A full-length rail that runs directly from the full stainless-steel mechanism all the way along the handle, barrel and head. No more unsightly joints between handle and barrel or the barrel and head, allowing the spear to travel unimpeded from start to finish.


Hunt Master GALARRA carbon-fibre spearguns have taken the humble harpoon to the next level, just one quick glance at a photo and you’ll immediately notice the gloss/matte finish in an eye-catching 3K twill carbon design. This has a beautifully diagonal-shaped finish and unique logos making these spearguns a joy to use.

Speargun handle

A closer inspection will reveal a custom handle designed by the Hunt Master team to suit a number of configurations, rollers, pulleys and conventional spearguns.

The integrated hook and mounting points make loading, unloading and taking pretension off your rubbers a breeze. The integrated hook can also be used for future inverted roller conversions, this saves unnecessary and nasty drilling into barrels and handles causing issues in the long run.

These handles offer everything from a positive safety that cannot be turned on accidentally, to an integrated GoPro bracket, from an ambidextrous line retainer and soft rubber grip to 100% stainless steel trigger mechanism with no plastic parts. We even include a Shark/Tuna clip on the handle so you really are ready to go.


All GALARRA carbon-fibre spearguns use top-grade ‘Attack Microbore' powerband rubbers with a smaller internal diameter, only 1mm, which offers more power-to-size ratio than most other leading brands. [For more info go to ‘Attack Rubber’ on this website.]

The reverse mechanism and the rearward positioning on the shark fins adds an extra 10cm band stretch - and more band stretch means more power. A 100cm Huntmaster gun has 110cm band stretch.

Key Product Features:
  • WOOMERA roller head

  • Carbon fibre barrels with gloss/matte finish in a 3K twill carbon design

  • Attack Microbore Rubber with a tiny 1mm core

  • Custom-made Speargun Handle with full stainless-steel mechanism, GoPro Mount, integrated hook and mounting points and various matching colours

  • The integrated hook for the speargun handle can also be used for Roller, Pulley or Conventional setups (No more nasty drilling into your barrels or handles!!)

Construction of the 'Woomera' roller head:
  • Made using state-of-the-art CNC/CAD design with special injection moulding. This makes each stage of the production process precise and consistent.

  • The plastic is mixed with over 32% carbon, making it both stronger and lighter in weight

  • The design ensures there is a protective “arch”. The purpose of the arch is to ensure the line on the shaft doesn’t tangle up or get in contact with the rollers whilst firing the speargun

  • Sleek and compact design with an internal hole to allow for extra rubber kickers when setting up rig ups for very large fish

  • Rollers make it easier to load and can also be used to fit many different guns on the market.

  • Embedded anchor point to tie off your speargun muzzle bungee or feed through your reel line

  • Marine-grade stainless steel for all metal parts

  • The design is unique by using ‘Self-lubricating Teflon washers’ embedded behind the rollers that reduce friction whilst firing your speargun for both versions (standard/ ball bearings).

  • Tested by our team and sponsored divers whilst targeting large game fish like marlin and Tuna, and proven to hold over 9-10 16mm rubbers, showing ultimate durability and strength and no failing or weak points


Note: This speargun comes with black rubber powerbands only. Coloured bands are available separately.

Barrel Dimensions:


  • Internal Diameter - 26mm,
  • External Diameter - 31mm,
  • Wall Thickness - 2.5mm.



55cm, 75cm, 90cm, 100cm, 110cm, 120cm, 130cm

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GALARRA Carbon Fibre Speargun - Invert Roller - Gloss Finish - 55cm-130cm