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Mares Sten 41 Pneumatic Speargun
The Mares Sten 41 is a compact pneumatic speargun featuring a 13mm internal barrel, ergonomic handling, and an ultra-light one-piece muzzle for improved buoyancy and hydrodynamics. Designed for reef, hole and close-range hunting, the Sten 41 delivers excellent power in a short, manoeuvrable platform.
The reinforced ogive with steel line guide and ultra-light compact head enhances balance in the water, while the 13mm inner barrel allows compatibility with both 7mm and 8mm shafts.
Key Features
- 40mm outer barrel
- 13mm internal barrel
- Lightweight one-piece muzzle for improved buoyancy and hydrodynamics
- Reinforced spinner with steel line guide
- Ergonomic handle with white grip for greater visibility underwater
- 8mm threaded shaft (supplied as standard)
- Connection piston: 1.5mm
Technical Specifications
| Model | Sten 41 |
| Internal Barrel | 13 mm |
| Outer Barrel | 40 mm |
| Connection Piston | 1.5 mm |
| Shaft | 8 mm threaded |
| Manual Injector Included | Yes |
| Bag / Case Included | No |
Ideal For
- Reef and kelp hunting
- Hole and ledge work
- Low visibility diving
- Divers wanting strong power in a compact length
Note: Pneumatic spearguns require proper loading technique and regular maintenance. Contact our team if you would like advice on setup, pressure adjustment or accessories.
