The Rk 62 (also 7.62 RK 62 and M62; Rynnäkkökivääri 62 or "assault rifle 62") is an assault rifle manufactured by Valmet and Sako. It is the standard issue infantry weapon of the Finnish Defence Forces.
The Rk 62 was designed in 1962 and is based on the Soviet AK-47 design. The Rk 62 uses the same 7.62x39mm cartridge as the AK-47. Between 1965 and 1994 350,000 M62 rifles were produced jointly by Valmet and Sako.
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The Rk 62 has a flash suppressor, and a groove for a specially designed knife bayonet, which can be used alone as a combat knife. The Rk 95 Tp is a more modern, improved version of the Rk 62. One of the most distinctive features of the Valmet rifles, including the M62 and all subsequent variations, is the open-ended, three prong flash suppressor with a bayonet lug on its lower side. In addition to the flash suppression, the end can quickly cut barbed wire by pushing the muzzle onto a strand of wire and firing a round - noisy but effective.
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Type Assault rifle
Place of origin Finland
In service 1962–present
Used by Finnish Defence Forces
Production history Designer Valmet
Manufacturer Valmet, SAKO
Variants Valmet M76, Rk 95 Tp
Specifications Weight 3.6 kg empty
Length 950 mm with fixed or extended stock / 710 mm with stock folded
Barrel length 418 mm
Caliber 7.62x39mm Action Gas-operated, rotating bolt
Rate of fire 600–750 rounds/min
Muzzle velocity 720 m/s
Effective range 400 m
Feed system 30-round detachable AK magazine
Sights Aperture rear sight on a sliding tangent with flip tritium night sight, forward hooded post, 470 mm sight radius
In general, all Sako / Valmet Rk.62 family weapons are first class quality firearms that designed to withstand extreme environmental conditions of Nordic Europe. It also should be noted that early Israeli made Galil assault rifles were made on machinery and by documentation bought from Valmet.
The Israeli IMI Galil assault rifle is based on the Rk 62.