A Serbian sniper with a M91 rifle, an updated version of the M76.
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The M91 is a marksman rifle of Serbian origin. It is an updated model of the previous M76 marksman rifle chambered in 7.92mm Mauser and in widespread use in former Yugoslavia.
The M91 remains fundamentally similar to the M76 in being an upscaled Kalashnikov gas operated rifle. It is a semi-automatic rifle that uses a long stroke gas piston and rotating bolt. The M91 differs in three areas, these being the caliber, the furniture and optical sight. Whereas the M76 was chambered in 7.92x57mm Mauser, the M91 comes in either 7.62x54mm Russian or 7.62x51mm NATO. The furniture is updated in with a reduced weight thumbhole stock with adjustable cheeck piece and Picatinny rails on top and bottom of the handguard, which allows for mounting a bipod. The ZRAK 4x optical sight can be use, but a 6x and 8x scope are offered as standard.
The M91 fires the 7.92x57mm Mauser round from a 10 round magazine. Both variants use a 10 round detachable magazine. The 7.62x54mm Russian magazine looks similar to the Dragunov, but is not interchangeable. As a semi-automatic weapon it allows for quick follow up shots. Accuracy is reportedly about 1.5 to 2 MOA. Theoretically the M91 can be used out to 1 km, but the practical effective range is about 600 to 800 meters.
The main user of the M91 is Serbia. In Serbian service all M76 are to be replaced by the M91. Since the M91 is produced in very common calibers it is likely to be more successful in the export market than the earlier M76.
The M91 is a modernized variant of the widely used M76 marksman rifle.
The M91 has a similar role and caliber as the Soviet Dragunov sniper rifle. Early models with wooden furniture look very similar to the Dragunov due to the introduction of a thumbhole stock.
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