Sig Arms Mosquito 22LR reviews

Global Rating: 4.26 from 23 reviews.

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rating title date name city state/province country
New Owner (5/5) Oct 20, 2006 Jim Pletcher
  Handles like a Glock, grouping at 50 ft is in a 2" circle. Very well ballanced, comfortable grip.
Site very accurate, easy to adjust.
Two Tone fun gun (5/5) Mar 13, 2007 Joe Dado Latrobe PA US
  I recently purchased the two tone mosquito. Unlike some other buyers, my version had no problems feeding CCI mini-mags and Remington Goldens. Trigger has some creep, but I already have a High Standard Victor for target and was looking for a plinker. I found it with the mosquito and am glad I chose it over the Walther 220, which I found a bit on small side for my liking.
Finicky but dead-on (4/5) May 28, 2008 Adam Tirrell Hampton VA US
  Still in the break in period for mine, only 300 rounds through it so far; doesn't like CCI Stingers (actually fires less than 1/2 the time; the rest of the time, it's either the second fire after a misfire or it stovepipes) or Legionnare (lot of misfeeds), but with CCI Velocitors or Blazers, the accuracy is incredible, the handling a breeze, the recoil negligible. Handles just like my SigSauer P220 .45, and I find myself shooting better with the .45 after training with the Mosquito. Great pistol
Mosquito a Great Shoot (4/5) Nov 24, 2008 Dale T. Pierce Niceville Fl US
  Since my P226 was too large for her hands, I bought the Mosquito for my wife to use at the range. After I received it I took it to the range for break in because I didn't want her to have any trouble with it. Before taking it to the range, I disassembled, cleaned, coated with CLP, and reassembled it. At the range, I put 100 rounds of CCI Stinger through it. Then switched to Federal Copper Coat (Wal-Mart). No feeding problems noted except with Remington (tried several types).
Mag loading is important. After putting 10 rounds into a mag, turn the mag so the rounds are nose-up, compress the spring about 1/8 of an inch and gently shake from top to bottom (a couple of times) and back to top (stop shaking with the rounds leaning toward the feed end). For some reason, the rounds will fall into place for optimum feeding. You can recognize whether you did it right because the nose of the first round is clearly above the magazine.
Perhaps it seems a bit finnicky, but not for a 22LR. Certainly no more so than my Browning Buckmark which needs the same magazine shake maneuver, and on which I had to dremmel the lower side fo the breech to get it to stop the feeder jams. Note: My Buckmark doesn't like Remington 22s either.
Mosquito sport model (3/5) Nov 25, 2008 don felts Orange Te US
  The first 100 rounds included several that did not fire on the first try, one unfired round that would not eject, and several occasions of the action not fully closiing. Accuracy was good. The manual is contradicted by a separate sheet regarding which recoil spring should be used. There are several errors in the manual. I have not tried the cci cartridges yet, nor the heavier spring that came with the gun but not in it.

The weight on the end of the sport model barrel loosens during firing. Since the front sight is relocated to this weight on the sport model, I am amazed that the accuracy was good. I have moved the sight back to the position on the non-sport model. I am no gun expert, but I am amazed that Sig secured the weight on the reduced diameter of the barrel with a setscrew. I believe a little lump travels down the barrel every time a bullet is fired on any gun. Not smart to setscrew or clamp the barrel of any gun.
Mosquito Sport (5/5) Mar 18, 2009 Eddie Daniel tallassee al US
  This .22 handles great and shoots even better, I have seen bad reviews of the Mosquito but I have feed it all types of ammo and with the light recoil spring it has not failed yet. Much better built than the P-22 walther, and yes I have an informed opinion, I have owned 4 P-22's and I wished I would have started with the Mosquito, decent ammo and a little cleaning and it wont fail you.
Don't fear the Mosquito (5/5) May 6, 2009 John Messer Simpsonville SC US
  I purchased a Mosquito a few weeks ago and have put about 350 rounds through it so far. I've had no problems except when I tried to use CCI Stingers, which it hated and ftf or fte about half the time. It loves Federal Gold Medal Premium and CCI Minimags. I clean after every firing and it's very easy to strip and clean. Very fun to shoot and glad I made the purchase
Sig Sauer Mosquito (4/5) May 17, 2009 Richard Cole Chesapeake Vi US
  After my USMC son bougt his Mosquito at a big retailer, choosing it after first holding the S&W P22, I loved it. Love the gun. Shoots CCI minimags well, no misfeeds, didn't like the CCI Stingers, or just about anything else I had on hand, including Rem Thunderbolt and some cheap Federals. Won't outshoot the Ruger 22/45 or the Super Single Six my brother owns as far as accuracy, but even he loves the feel and the ease of cleaning. His Thai wife likes the grip of the Mosquito better than the 22/45 since her hands are small.

My police officer son also loves the Mosquito is is considering buying one as well.
Kirk (5/5) Jul 17, 2009 Kirk Ramsing Albuquerque Ne US
  Great little handgun. I also have a Walther P-22, but so far the Sig Sauer shoots tighter groups and is is not as loud as the Walther. The takedown of the Mosquito is easier than the Walther counterpart. In my opinion, the Mosquito is better built than the P-22, but don't get me wrong, the P-22 is a fine handgun also. I carry a Glock 21 for defense purposes, and also carry the p-22 as a backup because of it's ultra compact size. I train with the Mosquito because of ammo affordability and availability issues.
SIG MOSQUITO (3/5) Aug 5, 2009 scott stickel waukegan ill 60085 il US
  the mosquito is a great little gun.fairly well made,though a little touchy about the ammo you run through it. i have had problems with the trigger and had to have it replaced under warranty. just reacently i had to send it back again for a cracked slide.in all fairness to the little gun,i put about 10,000 rounds through it.i shoot federal auto match and have no issues at all

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