Sten 11

Product No: 423151


The Sten 11 spearfishing speargun offers precision, power and reliability. Equipped with an 11 mm internal barrel and 7mm rod. High firing speed while maintaining excellent penetration even for large preys.

Product Information


The Sten 11 spearfishing speargun is the best pneumatic speargun on the market . Ergonomic handle and brand new ultra light and compact head, greatly improving buoyancy and hydrodynamics.
Reinforced ogive with steel wire pass and ultra-light compact head, for better buoyancy and hydrodynamics. High sensitivity release device with 1.5mm connecting piston between trigger and release tooth. Trigger sensitivity adjustment system and ergonomic handle with high visibility white buttplate.
The shorter sizes are supplied with a 7mm threaded shaft while the sizes 100 and 110 are equipped with a new Tahitian shaft in 174PH 7mm tempered stainless steel, with recessed single fin and new Race line slider.
The main features of the Sten 11 pneumatic speargun are:

• 40 mm outer barrel
• Lightweight one-piece muzzle
• 11 mm inner barrel
• Reinforced spinner with steel line guide
• Ergonomic handle with white grip for greater visibility
• 7 mm threaded rod


Internal Barrel:
11 mm
Barrel diameter:
⌀ 7mm - length 53.5 / 68.5cm
Shaft type:
Connection Piston:
1,5 mm
Operating pressure BAR:
16 / 20
Bag/case included:
Manual injector included:

Delivery & Returns


Online purchases on are enabled for Italy, France, Spain, Germany and Austria. Some products from the catalogue are only available to purchase at an authorised Mares Dealer.

Products shipped in Italy are entrusted to Bartolini couriers. Products shipped in France, Spain Germany and Austria are entrusted to DHL couriers.

Delivery times are 3-5 working days.



If you are not satisfied with your order, you can return it quickly and easily.

You can decide to return any products purchased on within 30 days of delivery. To return items, use the same box they were received in, complete the returns label found here with shipping details and attach it to the box. Remember to insert the delivery number found on page 1 of the delivery documents.


To allow you greater freedom, we have not chosen a courier service with which you need to return the package, you are free to choose your preferred service provider.

Please remember that shipping costs are your responsibility.


At the moment, we cannot offer exchanges on our products. If you would like a different size, please return the article for a refund and purchase a new size. If you still have any doubts, you can write us an email at, our Customer Service team will be happy to help.