Gun Report

Sig Sauer Mosquito .22 LR

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A pleasant handful, the SIG Mosquito was not as accurate as we wanted it to be. Despite near-perfect ergonomics and excellent adjustable sights, the DA and SA trigger pulls were poor, which didn’t help the package. the gun was reliable, though, with the hotter ammunition. the rail beneath the muzzle accepted an optional light or scope mount. hotter ammunition. The rail beneath the muzzle accepted anoptional light or scope mount.

Sig Sauer Mosquito .22 LR

Gun Details

Model Name
Model Number
Home Defense
Concealed Carry
Caliber Plus Cartridge
Weight Unloaded
Overall Length
Barrel Length
Sight Radius
Overall Height
Front Strap Height
Back Strap Height
Maximum Width
Grip Thickness Max
Grip Circumference Max
Frame Material
Barrel Material
Grip Material
Trigger Pull Single
Trigger Pull Double
Trigger Span Single
Trigger Span Double

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Takedown and reassembly were easy. That’s an aluminum subframe within the polymer frame. Just one 10-round magazine came with the gun.
The pen points to the slide-spring receiver, which appeared to be a zinc or zinc-alloy casting. It was loose within the frame until the spring was put back in place. The barrel was a steel insert inside an aluminum tube.

Read Gun Tests Rating and Recommendation