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Double roller power for spanish mack and tuna?

Thread Status: Hello , There was no answer in this thread for more than 60 days.
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WAspearo

New Member
Jul 25, 2015
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0
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Hi Guys and Gals,

I'm looking at having the ideal blue water speargun made for me (already have a great reef roller gun). I want the gun so I can target fish between 20-50kgs (ie spanish macks and tunas). What is most important is range, accuracy and penetration. My question is how much more powerful is a double roller speargun vs. a single roller?

I was thinking 120cm, with an 8mm slip tip shaft...Should I get the gun longer? Say 130? What about bands? Thanks for your help and suggestions.
 
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