Wow! Anybody looking for a .22 auto?
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precision_shooter
New member
Maybe if it was a gun that was reliable with more than just CCI mini mags.... That's still not a good enough price for me to own a headache.
trigger643
New member
The gun was (is), made by GSG GmbH, but this in and of itself does not excuse my terrible ownership experience with this pistol.
Then again, L&O Group bought GSG in 2013.
L&O owns a number of high quality fire arms manufacturing firms, including Sig Sauer.
Perhaps they are fire saling the remaining POS inventory before they start anew with something worthy of the name...
naw. what was I thinking?
Then again, L&O Group bought GSG in 2013.
L&O owns a number of high quality fire arms manufacturing firms, including Sig Sauer.
Perhaps they are fire saling the remaining POS inventory before they start anew with something worthy of the name...
naw. what was I thinking?
Walt Sherrill
New member
Just because it has a SIG logo on it doesn't really make it a SIG. About all they contributed to this effort was their name.
They (SIG) blew it with this gun. It makes far more sense to get one of SIGs to which you can later add a SIG .22 top end. It'll cost more, but you'll end up with a gun that is a true SIG, with the SIG standards of quality and performance.
Darker Loaf
New member
I've said this before, but my Mosquito was a lemon, and from what nigh everybody said theirs was too. Mine was not even reliable with CCI Round Nose Mini-Mags. I sold that sucker right quick.
Well, I see there is no luv for the mosquito! Maybe if they would have named it something else. I just saw the price on Grabagun and figured I'd "help" by posting it. Hve seen some decent reviews of it on youtube, but never really checked it out as I haven't been in the market for a .22 auto. Hope no one thinks I was endorsing this gun!
Walt Sherrill
New member
I have personally seen two owners shooting Mosquitos having problems when using their guns at the range; both had to stop and take their guns home.
It's the only .22 sold by a major company that seems to have a universally bad reputation. While other guns made by the same company seem to be pretty reliable, the SIG Mosquite seems different.
Don't be fooled by that SIG name -- it is NOT a SIG.
It's the only .22 sold by a major company that seems to have a universally bad reputation. While other guns made by the same company seem to be pretty reliable, the SIG Mosquite seems different.
Don't be fooled by that SIG name -- it is NOT a SIG.
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Mosquito: May be worth the good price: with work...
If you have some basic mechanical aptitude, and can do so basic “home gun-smithing”, $225 for a Mosquito is a pretty good deal.
These desert tan types are selling for $350. I got one of the bad P.O.S. jam-o-matics. But I would not accept owning a .22 that would only cycle CCI expensive ammo reliably.
I moved forward with basic premise that no .22 I own will only be able to run reliably with only cci ammo. That is not acceptable. A .22 should run with any ammo in the 1100-1250 fps range, and ideally with the standard (sub-sonic) stuff that runs around 1050 fps. (Like my other .22s).
This is how I made my Sig Mosquito run reliably.
Note: these mods will void in your one year warranty and should not be undertaken unless you want to want to keep the gun, and are willing to accept that if you screw up the pistol you will probably not be able to sell it, and you may ruin it if you go overboard.
Note: these mods are not recommended by the manufacturer, will void your warranty, and some will advise may not even be safe.
Do at your own risk only if you can do them without ruining your pistol.
Listed in order of importance.
#1. Carefully polish and enlarge the entire length of the chamber to a shiny finish, loose enough that all fired .22 cases will flick/pull out easily using just your fingernails. (This is the secret).
IE: All unfired .22 ammo will be fairly loose and drop out by gravity.
#2. Chamfer and highly polish the feed ramp and chamber mouth.
#3. Take a dremel tool and some polish paste. Polish all slide surfaces and all metal sliding contact points engaged during cycle process of ammo firing, to as close to a mirror finish as you can get.
#4 Light oil only, no slide grease ever.
#5 Never use the heaviest spring.
#6, Smooth the top of the magazine and lips with very fine sandpaper.
My little Mosquito will now run any ammo (listed at about 1025 fps or above), lead or plated, any manufacturer, reliably in a range session, up to about 200 rounds.
At that point a copper brush in the bore and barrel, re-lube and light re-oiling is usually needed to keep shooting after about 200 rounds. It does not require pricey CCI ammo at all.
Note: with the fixed barrel, it is quite accurate, not as accurate as my Mark Target, but still pretty good. Has adjustable sights.
Bottom line: Full price at $350, I would say go with Ruger or Browning, but $230 shipped is pretty good. Also. You may get one which is not a lemon in the first place, and Sig will work on it for free for one year, but only if you have not altered anything at all. I have had mine about 5 years.
If you have some basic mechanical aptitude, and can do so basic “home gun-smithing”, $225 for a Mosquito is a pretty good deal.
These desert tan types are selling for $350. I got one of the bad P.O.S. jam-o-matics. But I would not accept owning a .22 that would only cycle CCI expensive ammo reliably.
I moved forward with basic premise that no .22 I own will only be able to run reliably with only cci ammo. That is not acceptable. A .22 should run with any ammo in the 1100-1250 fps range, and ideally with the standard (sub-sonic) stuff that runs around 1050 fps. (Like my other .22s).
This is how I made my Sig Mosquito run reliably.
Note: these mods will void in your one year warranty and should not be undertaken unless you want to want to keep the gun, and are willing to accept that if you screw up the pistol you will probably not be able to sell it, and you may ruin it if you go overboard.
Note: these mods are not recommended by the manufacturer, will void your warranty, and some will advise may not even be safe.
Do at your own risk only if you can do them without ruining your pistol.
Listed in order of importance.
#1. Carefully polish and enlarge the entire length of the chamber to a shiny finish, loose enough that all fired .22 cases will flick/pull out easily using just your fingernails. (This is the secret).
IE: All unfired .22 ammo will be fairly loose and drop out by gravity.
#2. Chamfer and highly polish the feed ramp and chamber mouth.
#3. Take a dremel tool and some polish paste. Polish all slide surfaces and all metal sliding contact points engaged during cycle process of ammo firing, to as close to a mirror finish as you can get.
#4 Light oil only, no slide grease ever.
#5 Never use the heaviest spring.
#6, Smooth the top of the magazine and lips with very fine sandpaper.
My little Mosquito will now run any ammo (listed at about 1025 fps or above), lead or plated, any manufacturer, reliably in a range session, up to about 200 rounds.
At that point a copper brush in the bore and barrel, re-lube and light re-oiling is usually needed to keep shooting after about 200 rounds. It does not require pricey CCI ammo at all.
Note: with the fixed barrel, it is quite accurate, not as accurate as my Mark Target, but still pretty good. Has adjustable sights.
Bottom line: Full price at $350, I would say go with Ruger or Browning, but $230 shipped is pretty good. Also. You may get one which is not a lemon in the first place, and Sig will work on it for free for one year, but only if you have not altered anything at all. I have had mine about 5 years.
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I think it was aptly named, given how much aggravation a mosquito causes...
I stated in another thread that, all the people that I personally know who have one have had troubles with theirs, and I have been witness firsthand to some of those troubles.
The gun, unfortunately, is a loser.
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