| SR-3 Vikhr | |
|---|---|
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| Type | Assault Rifle |
| Place of origin |
 Russian Federation |
| Production history | |
| Designer | CNIITochMash |
| Manufacturer | Tula Arms Plant |
| Variants |
SR-3 SR-3M |
| Specifications | |
| Mass |
2 kg (SR-3) (without magazine) 3.2 kg (SR-3M) (without rounds) |
| Length |
640 mm (SR-3) 970 mm (SR-3M) |
| Barrel length | 156 mm |
|
| |
| Cartridge | 9x39mm |
| Action | Gas operated, Rotating bolt |
| Rate of fire | 900-950 rounds/min |
| Muzzle velocity | 295 m/s |
| Effective firing range | about 200 meters |
| Maximum firing range | 400 meters |
| Feed system |
20-round magazine (SR-3) 30-round magazine (SR-3M) |
| Sights | Iron sights |
The SR-3 Vikhr (СР-3 Вихрь, Russian for "whirlwind") is a Russian compact fully automatic assault rifle chambered for the 9x39mm subsonic round. It was developed by CNIITochMash (Central Institute for Precision Machine Building) in the early 1990s. It is based on the AS Val silenced assault rifle but lacks an integral suppressor and has a new designed folding stock and cocking handle for ease of concealed carry.
SR-3M fitted with suppressor and PSO-1 scope
After the adoption of SR-3, the FSB established new operational requirements with a goal to combine the qualities of the SR-3, AS Val and VSS Vintorez, resulting in a new variant designated SR-3M (СР-3М). It features a quick detachable suppressor and a redesigned handguard with a collapsible foregrip. The iron sights have also been relocated to the upper front handguard as opposed to being located on the suppressor, apparently for when the gun is used without the suppressor attached. For this weapon a larger 30-round magazine was developed, which can be used also by the AS Val and the VSS Vintorez.
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The original article can be found at SR-3 Vikhr and the edit history here.