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|Place of origin||Russia|
|Used by||Russian MVD, Military of Yemen|
|Manufacturer||Central Design Research Bureau of Sporting and Hunting Arms|
|Weight||3.6 kg (unloaded without scope)|
|Length||87 cm (34.2)"|
|Barrel length||52 cm (20.4") (4 grooves, 1 in 245 mm right-hand twist)|
|Action||Gas operated, three-lug rotating bolt|
|Muzzle velocity||830 m/s|
|Feed system||10 or 20-round detachable box magazine|
|Sights||Front: Folding post inside ring
Rear: Folding U-notch, PSO-1 telescopic sight, other optics available
The OTs-03 SVU (Russian: Снайперская винтовка укороченная, Snayperskaya Vintovka Ukorochennaya, Short Sniper Rifle) is a bullpup configuration of the SVD sniper rifle. The SVU was developed to meet the needs of the security forces of the Russian Ministry of Internal Affairs, such as OMON. The SVU was first seen in use in the First Chechen War. Originally, the plan was to just slightly modernize the aging SVD, but the designers eventually realised that the configuration of the weapon would have to be completely altered, leading to the creation of the SVU.
A special muzzle brake was added that could absorb up to 40% of the recoil energy and an elastic butt stock with lamellar spring was non-rigidly attached to the receiver. The acoustics of the rifle were also improved by adding a sound suppressor. The other main improvements made to the SVU over the SVD include replacement of the butt stock, pistol grip, trigger and the mounting for the sight; and shortening the barrel by 100 mm achieved perfect balance for the weapon.
Around 1991, the Russians developed a slight variant of the OTs-03, the OTs-03A (SVU-A). Whereas the SVU is semi-automatic, the SVU-A (the A stands for automatic) is a fully automatic rifle. In this rifle, the center of gravity was increased by the addition of a forward extended bipod mounted on the receiver. Developing 20 and 30 round magazines increased the capacity of the magazine so that it could be used effectively in full automatic mode; and better optics were incorporated into the SVU-A to replace the previous units, which had been left almost untouched since the SVD.
Though it has folding iron sights, the SVU is almost always used with the PSO-1 scope with illuminated reticle, but other Russian scopes can also be mounted. The PSO-1 reticle is almost unique in the world of sniper scopes, in that its rangefinders are in the lower left, chevrons for bullet drop compensation are found in the middle, and stadia marks for windage to the left and right of the center reticule. The reticle is also illuminated by radioactive tritium instead of a small battery-powered lamp. The SVU also comes with an adjustable bipod. It has an integral flash hider and suppressor. A bayonet may be fitted under the forestock.
The OTs-03A (SVU-A) (Russian: Снайперская винтовка укороченная, автоматическая, Snayperskaya Vintovka Ukorochennaya—Avtomat, Short Sniper Rifle—Automatic) is a selective-fire version of the SVU, capable of semi-automatic or fully automatic fire.
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