The Rob Allen Aluminium Rail Barrel is a speargun barrel for building or rebuilding spearfishing rigs, providing a rigid base with an integrated spear track. It is made in South Africa from aircraft-grade aluminium with a wall thickness of 1.45 mm, and it is offered in lengths from 50 cm to 150 cm so you can choose a size to suit your dive.
Key features
- Aircraft-grade aluminium barrel
- Integrated rail that guides the spear
- Rigid base for custom spearfishing rigs
- Mechanism material listed as glass-filled nylon
- Sear listed as 316 stainless steel
- Eleven lengths from 50 cm to 150 cm
Specifications
- Product type: speargun barrel
- Material: aircraft-grade aluminium
- Wall thickness: 1.45 mm
- Track: integrated rail
- Mechanism material: glass-filled nylon
- Sear material: 316 stainless steel
- Lengths: 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150 cm
- Country of manufacture: South Africa
How to choose and care
Choose the barrel length from how and where you dive: shorter barrels are handy in reef and low visibility, longer ones suit clear water and larger fish. Rinse with fresh water after use and dry the barrel before storing.
FAQ
Which length should I choose?
Shorter barrels are easier to handle in tight spots and longer barrels suit open water. Contact us if you would like advice for your style of diving.
Is this a complete speargun?
No, it is a spare barrel for rigs; you will need a muzzle, handle, shaft, bands and line.








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