The Rob Allen GT Carbon Roller Speargun is a carbon fibre roller speargun for blue-water spearfishing, built on a Tuna roller gun layout. Its roller head runs on four ceramic bearings, and the effective range is approximately six barrel lengths from the muzzle. It is aimed at experienced divers hunting pelagic fish who want a long-barrel gun with a stiff carbon barrel and a Vecta2 handle.
Key features
- Carbon fibre barrel
- Roller head running on 4 ceramic bearings
- Vecta2 handle with stainless steel line release and integrated reel adapter
- Stainless steel anchor points
- 7.5 mm notched spring steel shaft
- 1.8 mm Dyneema line rated to 180 kg breaking strain
- Effective range of approximately 6 barrel lengths from the muzzle
Specifications
- Type: roller speargun
- Barrel: carbon fibre
- Shaft: 7.5 mm notched spring steel
- Bands: 16 mm
- Line: 1.8 mm Dyneema, 180 kg breaking strain
- Bearings: 4 ceramic
- Handle: Vecta2 with stainless steel line release and reel adapter
- Anchor points: stainless steel
- Lengths: 90, 100, 110, 120, 130, 140 cm
Who it is for
Roller guns suit open-water hunting where long shots and high power are needed. Choose a barrel length that fits the visibility and fish size you usually meet, and make sure you are comfortable loading and handling it. Rinse the gun and rollers in fresh water after use, and check the bands, line and bearings regularly.
FAQ
Which length should I choose?
Longer barrels suit clear blue water and larger fish, while shorter ones are easier to handle. It is offered from 90 cm to 140 cm, so choose according to your usual conditions.
Does it take a reel?
The Vecta2 handle has an integrated reel adapter.
How should I look after it?
Rinse with fresh water after each use and inspect bands, line and bearings before every session.










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