SIG Sauer Mosquito .22 LR Threaded Barrel, DA/SA, German-Made, 4.5 in – 2 Magazines, Case, Extras
This German-made SIG Sauer Mosquito pairs a 4.5 inch threaded barrel with DA/SA controls that mirror the SIG P226 at roughly 90 percent scale. It includes two 10-round magazines, the factory case, manual, a non-matching factory test target, a SIG-branded paddle holster, and an OEM non-threaded barrel. German commercial proofs and SIGARMS Exeter import markings add clear provenance.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: This firearm is in solid shape. There are some scratches and blemishes present. The bore is clean and shiny.
What’s Included
- 2x 10-round magazines
- SIG Sauer factory hard case
- SIG Sauer Mosquito owner's manual
- Factory test target (non-matching to this pistol)
- SIG Sauer-branded polymer paddle holster molded "MOSQUITO"
- OEM non-threaded barrel for SIG Sauer Mosquito (not installed)
The Mosquito is a blowback-operated, DA/SA .22 LR pistol with an external hammer and controls patterned after the P226 for familiar handling. It offers a 10+1 capacity and includes two factory 10-round magazines.
This example features a 4.5 inch threaded barrel with a thread protector, plus an accessory rail with three slots on the dust cover for mounting compatible lights. Sights are a 3-dot setup with a fixed front blade and a drift-adjustable rear notch for windage.
Construction combines an aluminum-zinc alloy slide with a steel barrel/liner and a durable polymer frame. The grip panels are polymer and carry SIG SAUER logos for a secure, consistent hold.
Origin and markings are well documented: it is made in Germany, bears the SIGARMS INC., EXETER, NH import mark, and shows German commercial proof marks including the eagle over N, the Ulm antler, and the AF date code.