List: $326.00

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  • Optimum precision, power, and reliability
  • Rigid, ergonomic handle design
  • Patented safety catch for safety
  • Hydrodynamic line retainer
  • High capacity air tank

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Mares Sten Pneumatic Spear Guns Customer Reviews

Review Summary


(based on 26 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

Most Liked Positive Review


Powerfull and reliable. Incredible gun.

Incredible speargun. This is my second one and I don't need any other. It look like a small toy but with a great power, accurate and good range. Very easy to handle and operate. I've hunted good sizes pieces. All my friends envy me.


Most Liked Negative Review


not the best deal out there

Can get the prizm for cheaper for a all aluminium construction, with more extras

Reviewed by 26 customers

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Comparable value

By First L.

As competitive in value as you will likely find anywhere


Speargun is good stuff

By Tajae V.

Great Product!!


great close quarters

By outcast

Fast easy loading


very good gun

By Luciano



Spear gun

By mgersch

Very nice gun. Good purchase! Great price!


Excellent small gun with BIG Power!!

By Blaise_78

I use this gun in inland fresh water. The small size helps me get into tight spaces, while still knowing I've got the knock-down power. I bagged a 18 Lb Catfish with this gun right out the box!!


just like my benelle, boom,boom,boom

By crazyaks60

i shoot all my game fish up to that 20lb class in 1/2 power mode. big bass,walleye,northern pike,this gun gets the job done!




I added a laser on the top and a UK 1.5 watt light on the side of the barrel. It is now a lethal tool with better than 90% hit. The shaft and the tip are cheap, so I need to replace them with better kinds. After about 15 shots, I need to add about 30-40 pumps. I wished I could find the pressure gauge for this gun, so I pump it accordingly. Very good for 18-24 (in) fish, but larger ones can break free.


One shot one kill

By mudpuppy

I have not used the Mares mini yet but I have used a larger Mares. I love it. I believe these guns capable of penatrating through larger species than Bass and Walleye but a different system of attaching the spear might be in order. I use the trident coils and they work great for my needs. I have never shot a speargun prior to my purchase of these two Mares. The first four shots were bullseyes. I was impressed.






Powerfull and reliable. Incredible gun.

By George k.

Incredible speargun. This is my second one and I don't need any other. It look like a small toy but with a great power, accurate and good range. Very easy to handle and operate. I've hunted good sizes pieces. All my friends envy me.


Reliable Accurate!!

By kelly

This is a good all around gun. I have a 70cm and hit all types and size fish. The gun is maintenance free and I pumped only once after 2 years of use, it only took 3 pumps after all that time. I love the fact it’s easy to load and has minimal recoil. The shaft fly’s fast and accurate. Yes a band gun is quieter but this blows it away in power. By the time your prey hears it usually it to late. It works for me and is my primary gun. Happy hunting and good eats.


Decent Gun

By cojack2006

This is a nice speargun for the money. It is easy to load on low power setting and is quite accurate. The monofilament shooting line that comes with it is a bit short, however. Plus, you need to make sure to double check the factory installed crimps/ferrules on the supplied shooting line. I learned the hard way by missing a shot on high power setting and the shaft reach the end of the shooting line and simply stripped the mono out of the ferrule...bye bye spear. I use this in lakes in Arkansas, so once you drop something, it is gone. But the 58 has decent power, even in low setting. I can put a shaft straight through the head of a 4 lbs smallmouth bass at 6-8 feet range on low power...not bad. The storage for the loader in the handle is lacking. The tabs that hold the loader in fatigue and break off after just a few dive trips. I ended up getting a bracelet to hold my loader. Overall, great gun. I would recommend this to my friends.


Mares Sten performs like a champ

By Lisa S.

I use this speargun in the Lost Coast Region of NorCal. The water is cold and can be rough. There are a lot of cave/rock outcroppings in the areas that I frequent. This gun is a little longer than my Omer, but still gets in the tight spots where I like to hunt. I replaced the stock lanyard on it with a coiled JBL type because it does not behave well in cold water. I am hoping it lasts as long as my Omer did (10 years). If you put the full amount of air in it when new, it is rather difficult to load at the surface for free diving but loads quickly and easily at 40 ft.The only reason it doesn't get a 5 star rating is because I had to get rid of the sub optimal lanyard.


Mares Sten MiniMini

By Flipper

I have used this wee gun about 4 times now, I was quite impressed with its power for its size. On the first trial run I bent the stainless steel spear (which I had bought as an extra) while trying to load it, I must have accidentally moved the safety onto the "on" position, and for this reason the spear just bend when I pushed down on in. Like other reviews have mentioned, the instruction manual that comes with the gun are not very clear but with a little patience you can figure it out. The other thing which lets this gun down is the holster, it does not stay in place. I have resorted to ditching the holster and keeping the gun in my catch bag. The size of the gun makes it really handy, you can have it in your catch bag and hardly notice it. Good for when gathering shell fish and see a yummy fish lingering around.

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Questions & Answers

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Browse 19 questions Browse 19 questions and 37 answers
Why did you choose this?
Leisure Pro Store
Versatile, but plastic holster not good and lost the gun kicking in current.
JERRY B on Mar 18, 2012
Versatile, but plastic holster not good and lost the gun kicking in current.
JERRY B on Mar 18, 2012
Do the longer version have more power or do they all have the same power?
A shopper on Jul 9, 2013
BEST ANSWER: well, a longer shaft in a longer gun will take more power than a short shaft in a short gun. So, I'm sure, more air volume, more power, but you also have a heavier shaft to send in a bigger gun. I have mares mini-sten, 58 sten, 70cm cyrano, 100 cyrano, they all have their place and they all have plenty of power. Very easily modified to increase their power also. Simple things like switching to mono line and crimps, changing the lanyard shaft collar, and getting a decent single flopper spear tip can make big difference and that's without even modding the gun.
How many inches is this gun?
A shopper on May 24, 2011
BEST ANSWER: If you click on the blue 'select size' button on the page, you can choose from a variety of lengths.
A shopper on May 24, 2011
BEST ANSWER: yes on both questions
Can a 7 mim shaft be use with this gun ?
Arian R on Jun 26, 2014
BEST ANSWER: According to the website (, this gun can use a 7 mm or 8 mm shaft. What's critical is that the shaft have the proper back end, which "locks" into the gun when it's loaded.
is there a power reducer switch?
A shopper on Nov 16, 2011
BEST ANSWER: There is a high/low power selector switch just above the handle on the left side of the gun.
I personally do not use it as my gun is always used at full power.
Hello! Do you have spearpoints for sten's shafts?
Lucia P on Dec 8, 2018
BEST ANSWER: Yes we do. The shaft is the one in the picture/ link. The spear tip is an example a simple no-spinning rocky point. You can pick any from the link below just make sure to select size 7mm for the thread:|Spearpoint-Thread-Size_7mm

Hope it helps
Mares 8.0 mm Stainless Steel Spare Shaft for Sten Spear Guns 67.5 cm For 70
Mares 8.0 mm Stainless Steel Spare Shaft for Sten Spear Guns 67.5 cm For 70
Cressi Mach Spear Head
Cressi Mach Spear Head
How do they measure the gun length is overall length from tip to tip or is it from a certain place on the gun ?
Jody A on Jan 27, 2017
BEST ANSWER: I cannot advise about STEN but for MARES CYRANO gun length is the overall length from tip to tip
What size shaft is the min imn sten have? Trying to by a spear
Drew R on Apr 23, 2013
BEST ANSWER: I have Mares Sten 70 cm and the original shaft is 26.5 inches(67.3 cm) including the cap at the very end of the shaft that goes into the gun. The shaft diameter is 8.00 mm.
I'm trying to size a replacement shaft fora Mares Sten that I purchased around 15 years ago. How do the gun/shaft measurements work? The barrel length, excluding handle, is 67cm. From what's left of the barrel sticker it looks like a medi. Thanks
Adrian T on Apr 22, 2013
BEST ANSWER: just contact mares-they have the parts
Should you store the speargun in an upwards position?
A shopper on May 24, 2011
BEST ANSWER: store with the muzzle down so seals in the barrel have oil on them and do not dry out
When will the discontinued product be reapplied?
CH Y on Sep 27, 2017
BEST ANSWER: Discontinued products are not reapplied.
what accessories it has ?
A shopper on Sep 9, 2015
BEST ANSWER: Comes with tip, shaft, shock line, loader and pump.
What is the difference between the Mares Cyrano and the Sten?
Randy K on Mar 27, 2015
BEST ANSWER: Cyrano is a better gun, better accuracy due to internal barrel diameter being smaller.
Can you load this underwater?
A shopper on May 24, 2011
BEST ANSWER: Yes, this can be loaded underwater.
Does this gun come with everything ready to use?
A shopper on May 24, 2011
BEST ANSWER: Yes, comes with double barb tip. If you would like a different style tip, you'll need to purchase that separately, but otherwise, all the basic parts are included.
Can you put this gun in its holster while its loaded?
A shopper on May 24, 2011
wat is the shot range
A shopper on May 24, 2011
BEST ANSWER: 3 times the length of the shaft.
I resently got a Mares Californian and know nothing about it. Where does the air pressure come from? Do you pump it up before each use? How do you load it? Just screw a tip on and insert it into the end of the gun? How do you arm it?
A shopper on May 24, 2011
BEST ANSWER: The air pressure comes from pumping up the air spring in the gun, no pressure is released when the gun is fired. It is charged by pushing the spear into the gun until it locks, once you have done this it is ready to fire. I recommend pumping the gun up until you are just barely able to put the spear all the way into the gun, this is your maximum power. Also, never fire the gun with out the spear or outside of the water.