Prepare to fall in love with almost everything about the Sig Mosquito. Sig Sauer is my favorite gun manufacturer, second to none, so it was natural that I would begin longing for a Mosquito of my own.
I’ve used the Mosquito at the shooting range several times, and every time I start off loving it. I love the ergonomic grip, the size and weight of it, and the fact that it’s a .22 and, usually, fun to shoot. In many ways it’s the ideal. 22 pistol, and the fact that it’s a member of the Sig Sauer family is a huge plus. But then it jams, and jams again, and I realize that maybe it’s not so perfect after all, which is a shame.
To be fair, part of the problem with the particular gun is that it’s a range loaner and doesn’t get cleaned on a regular basis. However, “failure to feed”, FTF, has been an ongoing problem with this particular pistol, especially in the older models. I tried using different types of ammo, and had better luck with CCI’s Velocitor .22 ammunition hollow points. The guys at BulkAmmo sent me a couple of boxes to try out, and this particular ammo turned out to be a good match with the Mosquito (as well as the Walther P22 and Ruger III). If you’re going to rely on a .22 for self-defense, don’t take chances with cheap ammo if you’re using this pistol. You don’t want to risk a jam at a critical moment.
(I keep a couple of magazines loaded with CCI ammo for when I’m using a particular handgun for concealed carry, but when I’m at the range, I use cheap Walmart ammo for practice.)
One of the reasons for the popularity of the Mosquito is that it looks and feels like a “real” gun, or at least that’s what hardcore gun-nuts say! It’s frame size is very close to the typical 9 mm or .40 caliber handgun. It doesn’t feel like a toy, but then, as a Sig Sauer, I didn’t expect anything less. In my experience, the slide, magazine ejector, and trigger are comfortable and easy to use. Owners of the Mosquito report they were able to solve most or all of the FTF problems by, first, breaking in their new gun with 500-1000 rounds of CCI ammo. Some owners claim their Mosquitos are now happy with any .22 LR ammo, even the cheap stuff.
The Mosquito weighs a comfortable 24.6 ounces, with magazine, and has a price tag of about $400.
If your purpose for choosing a .22 pistol is for cheap practice, there are less expensive choices that are just fine with cheap ammo. If you want a handgun that has a solid feel and quality appearance, has the Sig Sauer brand name, and is good, most of the time, the Sig Mosquito is a good choice.
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