The Rob Allen Caranx Railgun 1200 Speargun is an aluminium spearfishing railgun with an integrated full-length rail that guides the shaft. Supplied in a 1200 mm configuration and rigged with a 7 mm single-notch shaft, it suits spearfishers who want a straightforward, robust band gun for reef and general hunting.
Key features
- Aircraft-grade aluminium barrel with a full-length extruded rail for shaft guidance
- Barrel built to support up to two 20 mm rubber bands
- 7 mm single-notch shaft in spring steel tempered to 2100 MPa
- Stainless spring-steel flopper pin
- Rob Allen bungee with a 240 kg Dyneema core
- 180 kg monofilament line, single wrap, for the shooting line
Specifications
- Type: speargun (railgun)
- Overall length: 1200 mm
- Available lengths: 70, 80, 90, 100, 110 and 120 cm
- Barrel: aircraft-grade aluminium with integrated rail
- Shaft: 7 mm, single notch, spring steel tempered to 2100 MPa
- Shaft overhang: 40 cm
- Rubber bands: 1 x 20 mm fitted (supports up to 2 x 20 mm)
- Rigging: bungee with 240 kg Dyneema core, 180 kg monofilament line
Who it is for
The Caranx suits spearfishers who prefer an aluminium barrel and a simple, dependable layout. Shorter lengths work well around reef and in lower visibility; longer lengths give more reach in clearer water. Because the barrel supports up to two 20 mm bands, power can be increased by adding a second band if your setup and target fish call for it. Rinse the gun in fresh water after each session and check the bands, bungee and line for wear.
FAQ
Which length should I choose?
Pick a shorter gun (70 to 90 cm) for tight reef and poor visibility, and a longer one (100 to 120 cm) for open, clear water. Contact us if you need advice.
Can I add a second rubber?
The barrel supports up to two 20 mm rubber bands. It is supplied with one fitted.
What shaft does it use?
It comes with a 7 mm single-notch spring-steel shaft tempered to 2100 MPa.












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