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SigSauer Mosquito Pistol

The newest and most highly anticipated present from famous firearms maker SigArms is the new Sig Sauer Mosquito. Chambered in 22LR and 90% the size of a P226, the new Mosquito is the ideal choice for hours of shooting fun.
A mere 24.6 ounces, this pistol comes complete with a 10-round magazine, custom case, and matching folding black knife.

The Mosquito handgun is equipped with a wear-resistant polymer frame set with an included Pica tinny rail. The slide features adaptable sights, and along with the rugged blow back system, fixed barrel and superior ergonomic grip, the Sig Sauer Mosquito delivers usual Sig Sauer accuracy.

 

Additional safeties include an internal locking device and slide mounted ambidextrous safety.

* Internal Locking Device
* Blued Finish
* Slide Mounted Ambidextrous Safety
* Decocker
* 10% smaller then The P226

Caliber .22LR
Trigger Pull DA/SA 12.1lbs/4.4lbs
Overall Length 7.20”
Overall Height 5.28”
Overall Width 1.46”
Barrel Length 3.9”
Sight Radius 5.5”
Sights Adjustable Rear
Weight w/ Mag 24.6 oz
Mag Capacity 10 Rounds
Available Finishes Blued
Grips Composite

 

Buy SigSauer Mosquito handguns and Accessories

 

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Comments

2010-07-20 Consistent FTE's over the last year. I've been too patient. Regular cleaning and high speed ammo did not help. If anything, FTF's and FTE's have increased over time. Also, jamming of multiple rounds in gun (consequential to FTE's). Went to clean it today, pulled back slide, didn't catch, but jammed hammer. Can't find a way to disengage hammer. Taking it back to dealer (I've been complaining about the gun for 10 months, so he knows I'm probably coming). Don't want this gun any more.
by Stanl
2010-06-23 CCI Minimag ammo and zero FTE...however, after about 150 rds. the hammer locked to the rear. Pulling the trigger would not release the hammer. Decock and then pull the trigger and it FTF. Clicked twice and fired. ??? Returned it to the dealer and it done the same thing with him so he called Sig. They have no idea and said send it back. It's been gone about a month now. Oh and I followed the instructions in the manual to the letter. This was my first Sig firearm and I am sorely disappointed.
by Bill
2010-06-07 Great gun.... Accurate... Absolutely none of the problems listed here... Cleaned per manual and fired recommended ammo... 200 rds with no problems and gun feels great!!!
by Chadro
2010-06-07 After cleaning I shot about 200-250 rnd through it, I dropped my last mag of the day and a piece of metal fell out of the magazine well. I did a function check of the firearm to find that the trigger will now break without a magazine inserted, something it did not do before. No more rounds fired.
by Johnny Gunn
2010-05-25 dont buy. any modern 22 that can't fire "cheaper" ammo is a complete waste of money. Mine jams up at least 80 percent of the time. Its not the springs, it is the poor design of the pistol. I am going back to revolvers.
by justin
2010-05-24 Stove pipe and jam,,,,,,80% of the time, changed springs, re cleaned, greased ejection port flange. Oiled mags and used 4 types of ammo.Jam,Jam,Jam,Jam......
by Joe
2010-05-07 well over 600rds fired and still having FTF's with CCI Stingers, use crappier ammo and I have FTE's And a Few FTF's...the Stingers do cycle nice you just have to strike em 2-3x before they fire.. havent seen cci minimags for sale around here. but plan on trying them when i find em. i hope those r the magic bullet... this gun is making me lose sleep....i ordered a suppressor for it, so i cant give up yet
by David D
2010-04-22 I ordered this gun from my local gun store on February 3rd. He has five on order and so far he can not get any. Is there a shortage out there. How long should I expect to wait?
by John
2010-04-16 Great gun. The sights that come with it I think need to be lower, and the trigger pull needs some work. It worked great after I put some lapping compound on the slide (available at local autoparts store) and racked the slide several times, simulating rounds being shot through it. After that the gun was awesome. Fires almost any round, and is very reliable. Accuracy is good too. No complaints here.
by Justin
2010-04-04 Also, for those that may not know what FTF/FTE means: That's FAILURE TO FIRE/ FAILURE TO EJECT.
by nada victim
2010-04-04 I purched the Mosquito about 7 months ago and I too had some FTF/ and FTE issues, but after about 200-250 mini mag rounds that were sent down range this handgun smoothed out very well. I LOVE shooting this gun!!! To me it's very accurate, and for it's intended purpose ( plinking, informal target shooting ), it,s darn near perfect. For those out there who are having trouble with this, or any other firearm....READ AND FOLLOW WHAT IT SAYS IN THE MANUAL!!!!
by nada victim
2010-01-26 I read my manual. Cleaned and oiled the new gun. Headed out to the range with cci mini mags. Had a great time. 0 problems. More accurate then I expected. I love this gun.
by Bill
2010-01-25 I've had my Mosquito for about three months now and put about 1000 rounds through it. Works great on Remington Cyclone, cheap Federal bulk stuff, and of course CCI Stingers and CCI Mini Mags. It does not like cheap Remington Golden Bullets and will jam about 60% of the time on mine. Overall it is a great plinking gun if you keep it clean and feed it the right ammo that it likes. Even if I have to buy the .22 ammo that is a little higher price, it is still cheaper than shooting my .40 all day.
by Mitch
2010-01-23 Hey David Pignone please send me your Mosquito and anybody else who has given up on theirs, I will place them in a good home (MINE) :) I love mine, Its a 22's semi, 22's are dirty cheap ammo, they jam and missfire, not the gun, its the ammo, keep it clean and oiled with decent ammo and it will fire nicely.. And dont forget to BREAK IT IN at least 500 rounds,,, If still not satisfied just send it to me..
by Bob Smith
2010-01-18 Lots of concern about breaking in Mosquito. Which spring to use during break-in is basic issue: Light spring for sub-sonic and heavier for heavier loads? Weapon feels great, could be a great trainer, but concerned about jams. Watch out for magazine separating - base not seated in body; lost spring, end of practice!
by RENO SHOOTER
2010-01-03 Very good gun. I shoot the CCi ammo with the light spring. No Problems. I switched to the heavy spring and a few of the cci's failed to fire and some eject. Keep the light spring in and test it with the light ammo. Mine will shoot anything you feed it now. Clean the factory grease out of it and oil it with something decent .
by Jackal
2009-12-30 I purchased a new Mosquito a few months back. Have run a few hundred rounds thru the barell. I had a few jams when firing the Aquila HV rounds. CCI mini mags, Federal HV and Winchester Xs fired without a problem. I run a boresnake thru the barrel every hundred rounds and a light oiling. I put grease on my magazine to prevent feed problems. Not a bad target pistols when compared with firing 9mm ammo on the range. A good weapon to teach shooting skills such as breathing, trigger pull and hand placement to novices. When on the range, others have asked to take a few shots with the gun. I have no complaints about fit, finish or quality.
by Tom
2009-12-28 Was going to get a Walther P22, but gun store guy talked me into the Sig Mosquito instead. Everyone complaining about ammo jams needs to read the manual that comes with it. Spring that comes in the gun designed for CCI Mini-Mag ammo. There is a second spring included (white, slightly longer and smaller diameter one) that needs to be installed when shooting anything other than the Mini-Mags. Though the heavier, black spring is supposed to come installed in the gun, mine came with the lighter spring. First range session, I ran 200 rounds of Federal bulk pack (Walmart special) through it and it never barfed once. All 200 rounds fed, fired, extracted and ejected properly. After getting used to the trigger, I was able to hold 2" or better groups at 25 yards using a 6 o'clock hold on the standard 25 yard timed/rapid fire bullseye target. Perfectly acceptable for plinking and not terribly bad for paper punching either.
by Jim S.
2009-12-26 minimags are the only way to go, with the minis the spring in the gun is key, if u change it u fucked it up. u want the gun to peak out, spend the $6.88 for 100 rnds & ill be damned if it james more than once. clean and remington oil every 250 rnds.
by troy tillman
2009-12-21 Purchase the Mosquito recently and shot a few hundred CCI Mini-Mag rounds on two separate trips to the range. Overall very pleased with the pistol so far. It fits well in your hands and is a very comfortable to shoot. Features are easy to use and the gun is very easy to teardown and reassemble while cleaning. Trigger action takes getting used to and is still work in process. Sights are easy to aim and groupings are okay but pulls to the lower left of target center. Possibly due having to get used to the trigger pull. Purchased the handgun for my wife and pleased with the decision so far.
by tvanman
2009-11-30 Sig Mosquito works great if you know what you are doing.Shoot CCI mags high velocity use the higher tension spring that it ships in the gun.This does not like Cheap ammo.If you do shoot lower velocity ammo change the spring.
by Larry
2009-11-20 Do yourself a favor! Mini mag ammo is your only choice for this gun. You'll be in 7th heaven.
by Rico
2009-11-18 Got my mosquito a few weeks ago. Initial testing with standard velocity cheap ammo and was extremely disappointed with jamming. RTFB and bought CCI Mini Mags. Ran 100 rounds through it with "0" jams. I couldn't be happier. Use the HV ammo and you will be as well. This is a great gun. Buy the good stuff and the gun will perform.
by Chuck
2009-11-08 Not sure what all the complaining is about on here. First off every rimfire handgun is ammo sensitive. Second, while ppl seem to have no patience, alot of autos require breaking in with aorund 500 rounds. Almost every reviewer who has patience and has put 500 rounds through it says it improves. Third, those who expect to put junk ammo through it will be disappointed. Would be nice if it shot cheap lead .22's well, but it doesn't. Shoot copper plated HV rounds through it and it's sweet! Not sure about the person who says he bought it for self protection... consensus is .380 or better and I've sen the .380 fail so I feel a 9mm at least. This is not a protection gun but a plinker and trainer. Yet filled with stingers or the quick-shock, I'd feel safe in a pinch. I shoot only HV and hypers and I love it!!! Nary a jam! I think your expectations are too high.
by John
2009-10-28 Shoots good when it doesnt jam. which is never. i need to try to fix it.
by jon
2009-09-23 fired the mosquito .22 2or 3x jammed also range master said it was the ammo on first try and possibly lubrication problem .mabey it has to break in hopefully .by artie
by artie
2009-09-20 i use remmington golden hv-hp works like a champ . i had the p22 that is the bigest shit gun i ever had .get the sig
by hitler
2009-09-02 I fired my freinds new Sig Mosquito today. Yes it did jam but not as bad as stated above. The cartridge sometimes did not make it all the way into the chamber, got stuck, and of course caused a jam using Remington .22LR. It seemd to eject the spent case okay. It also had the worse trigger pull of any gun I have ever fired. It must be 12 lbs. or more.
by Earl
2009-08-03 I bought this gun last week .New model. The biggest peice fo shit I have ever wasted money on only jams every other shot and I own a lot of guns .Wish HK made a 22 Do NOT buy this gun!!!!! If you want mine I will give it to you complete junk,David
by David Pignone
2009-07-27 like the looks of the weapon knew sig had good rep.bought the mosquito fired two clips had some jams but will have to spent more time shooting to say it sucks.contacted sig to see if they have answers to the jamming problem and or there if they have addressed the issue.
by kenh
2009-07-09 Bought this gun for defense, and I think I will die because the gun jams up all the time. Got the best ammo, cleaned it, took it back to dealer and he put lots of grease on it and said that should fix it. Nothing works.
by Renee
2009-05-12 i head the mosquito was a bb gun is that true?
by terri
2009-03-22 just shot mine brand new, jammed on the first round every time, rounds 2-10 were ok. pretty accurate, but the jamming is a concern. i understand you need a higher power ammo then the federal bulk ammo i bought, so i will try CCI and thunderbolts to see if jamming stops. otherwise, gun feels great and shoots fine
by gene
2009-03-05 56 out of 70 rounds either stovepipe d,jammed, or failed to eject. I cleaned the pistol and switched ammo as well as the springs. Now I have a $300 paperweight.
by Jerry Elliott
2008-12-31 I UNDERSTAND THAT THE MOSQUITO SUFFERED FROM SOME QUALITY ISSUES WHEN FIRST PUT ON THE MARKET . DOES ANYONE KNOW IF THESE HAVE BEEN RESOLVED AND WHAT THE SERIAL NUMBERS MIGHT BE .
by RAY LEEN
2008-11-05 A nice handgun. And it does shoot all over the place. I had my fair share of jams when I started shooting. I wish it were available in 32 caliber.
by Jerry
2007-12-30 Very inaccurate. Gun shoots all over the place. Even with different ammo. I expected more out of Sig.
by Scott
2007-11-09 A nice little pistol for target shooting
by brett

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