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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.
2 retailers compared · Checked on October 31, 2026
Amazon has a documented Prime delivery program that covers millions of items, and that is the most concrete order-related support behind buying here.
Some customers report slower replies or needing more follow-up than expected when they asked for help after ordering. If an order needs post-purchase support, that part of the experience is not always smooth.
Some customers also report delivery problems after ordering. That keeps follow-up and delivery as the areas to watch if you place the order here.
Checkout on amazon.com is served over a secure SSL (https) connection.
House of Scuba publishes a defined return process for eligible items, including when credit or a refund applies and where fees or exclusions can affect the outcome. If you want the retailer's own terms in place before ordering, that is the most concrete reason to buy here.
It also states a continental U.S. free-shipping offer with exclusions, so the order terms are not left entirely to guesswork. That does not guarantee every item qualifies, but the policy itself is part of the buying case.
Some customers describe friction around returns or refunds, and some also report slower replies or needing extra follow-up when they asked for help after ordering. Read the return terms closely before placing the order, especially the condition, packaging, and fee limits that can change the result.
Checkout on houseofscuba.com is served over a secure SSL (https) connection.
Rob Allen Tuna
| 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 |
2 retailers compared · Checked on October 31, 2026
Amazon has a documented Prime delivery program that covers millions of items, and that is the most concrete order-related support behind buying here.
Some customers report slower replies or needing more follow-up than expected when they asked for help after ordering. If an order needs post-purchase support, that part of the experience is not always smooth.
Some customers also report delivery problems after ordering. That keeps follow-up and delivery as the areas to watch if you place the order here.
Checkout on amazon.com is served over a secure SSL (https) connection.
House of Scuba publishes a defined return process for eligible items, including when credit or a refund applies and where fees or exclusions can affect the outcome. If you want the retailer's own terms in place before ordering, that is the most concrete reason to buy here.
It also states a continental U.S. free-shipping offer with exclusions, so the order terms are not left entirely to guesswork. That does not guarantee every item qualifies, but the policy itself is part of the buying case.
Some customers describe friction around returns or refunds, and some also report slower replies or needing extra follow-up when they asked for help after ordering. Read the return terms closely before placing the order, especially the condition, packaging, and fee limits that can change the result.
Checkout on houseofscuba.com is served over a secure SSL (https) connection.
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