Rob Allen Tuna Speargun Review

Torben Lonne
By
Summer Worsley
Collaborator at DIVEIN.com
Summer is a former dive instructor from New Zealand that has the Great Barrier Reef as her playground. She has been writing for DIVEIN about scuba...
Torben Lonne
Editor and Co-founder at DIVEIN.com
Torben traveled to South East Asia for scuba diving and never really stopped his search for new adventures. His affinity for gear that works and his...

Where to buy

South African manufacturer Rob Allen is renowned for producing some of the most deadly and accurate spearguns on the market. Its Tuna Railgun has been tested on the largest pelagics that are found in the southern hemisphere.

The only downside is the railgun design that produces all the power as it’s noisier than the majority of band-powered spearguns. So you need to make sure your shot finds its target. However, it’s such a versatile gun that can be used in both shallow and deep water, that it’s a great investment for beginners too.

About this review

To help you find a Speargun that will fit your needs, we’ve tested, researched, and reviewed the best ones available today.
We test both in the water, diving in various conditions - and in our lab - so we can give you accurate answers on quality, performance, and the overall value.

Read about our test of Spearguns

Recommended in: Speargun

Things we like:

  • Excellent power and accuracy in every shot
  • Versatile and can be used in most situations and conditions
  • Great for spearing large prey
  • Comes with a shock cord
  • Plenty of power so no need to use additional bands

Things we don't like:

  • Noisier than most band-powered spearguns
  • Need to be strong to load
  • Thick barrel
  • The safety switch can be stiff

Specs & Features

Type: Band-powered
Made In: South Africa
Total Length: Five sizes from 31.5 to 55.1 inches (80 cm to 140 cm)
Shaft Diameter: 0.28 inches (7 mm)
Band Length: 6.3 inches (16 cm)
Band Diameter: 0.63 inches (16 mm)
Barrel: Aircraft-grade aluminum
Shaft: Spring steel
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