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RK 95 TP
RK 95 TP
	Sako RK 95 TP
Type	Assault rifle
Place of origin	Finland
Service history
In service	1995–present
Used by	See Users
Wars	War in Afghanistan
Production history
Designed	1988–1990
Manufacturer	SAKO
Produced	1995–1998
No. built	20,000
Variants	M92S
Specifications
Mass	3.7 kg (8.16 lb)
Length	935 mm (36.8 in) stock extended / 675 mm (26.6 in) stock folded
Barrel length	420 mm (16.5 in)
Cartridge	7.62×39mm
Action	Gas-operated, rotating bolt
Rate of fire	600–750 rounds/min
Muzzle velocity	715 m/s (2,346 ft/s)
Effective firing range	150, 300 m (490, 980 ft) sight gradations
Feed system	30-round detachable box magazine
Sights	Flip-up dual rear aperture and front post with tritium inserts; 465 mm (18.3 in) sight radius

The RK 95 TP (from Finnish Rynnäkkökivääri 95 taittoperä, 'Assault Rifle 95 folding stock'), officially 7.62 RK 95 TP and commercially known as the M95, is a 7.62×39mm Finnish assault rifle adopted in relatively small numbers by the Finnish Defence Forces in the 1990s.^[2]

The RK 95 TP originally featured many improvements including a fire control selector and a muzzle device that enabled the firing of rifle grenades, the attachment of a suppressor, or bayonet.

History

The rifle was developed in the late 1980s in response to a requirement to replace the 7.62mm RK 62 service rifle. Between 1988 and 1990, the SAKO company developed the M90 prototype, which was a substantially upgraded variant of the RK 62. Changes to the original design included the fire control and safety selector, whose lever was transferred to the left side of the receiver housing, the cocking handle cut-out in the bolt carrier assembly was covered with a strip of metal.

The cocking handle itself was placed at an upward angle (enhancing left-handed reloading), the rear sight assembly was installed on a sliding tangent with 150 and 300 m range adjustments^[3] and the rifle was equipped with a folding tubular stock with a latch modeled on the locking solution employed in the SIG SG 540 rifle. The M90 was also equipped with a multifunction muzzle device and manual gas valve, enabling the use of rifle grenades.

Some advertisements released in Finland in the 1990s suggested that SAKO was going to produce the M90 in 5.56 NATO caliber.^[3] However, this type was never produced.^[3]

Two prototypes were developed by SAKO, known as the RK 92, were delivered to the FDF for combat trials.^[4]

After undergoing further testing and implementing several changes (among them, the selector mechanism was reverted to the familiar RK 62 configuration) the rifle was introduced into service with the Finnish Army as the 7.62 RK 95 TP. Deliveries to the Finnish started in 1995 and ended at 1997 with further orders ceasing in 1998.^[5]^[6] The first RK 95 with the serial number 960,001 was presented by SAKO representatives to the Military Museum in Helsinki, which is on display.^[5]

Prior to the adoption of the RK 95, several Chinese and East German-based AKs were purchased by Finland to easily arm mobilized Finnish soldiers in the 90s.^[7]

In 2015, the RK 95 is supplemented by the FN SCAR-L, which is used by Finnish special forces units.^[8]

On April 18, 2023, it was reported that Sako made several RK 95s in a gold finish for export to the UAE in the late 1990s for the Amiri Guard.^[9]

Design details

Operating mechanism

The RK 95 TP is a select-fire, gas-operated firearm using the Kalashnikov-pattern operating system with a long stroke gas piston rod coupled to the bolt carrier as in the AK rifle. The rotating bolt locks into battery via two locking lugs.

Features

The weapon's spring extractor is installed inside the bolt head and enclosed in one of the locking lugs while the ejector is a fixed protrusion of the internal bolt carrier guide rail. The firearm uses a hammer-type firing mechanism and a trigger group that enables semi-automatic and fully automatic firing modes. The fire selector switch, which is also the manual safety toggle, can occupy one of three positions: the top "safe" setting (the trigger and bolt carrier are both disabled mechanically), the middle setting (marked with three dot symbols) produces continuous fire and the bottom setting (single dot) activates a disconnector for single fire mode.^[6]

The weapon's barrel has a multipurpose muzzle attachment, which performs the role of a muzzle brake, flash suppressor and a mounting base for launching rifle grenades.^[4] The gas block incorporates a manually adjustable gas regulator that isolates and disconnects the gas system in the closed position and a lug at its base—used to attach a blade bayonet (i.e. KCB-type bayonet).

The RK 95 TP has a plastic-coated tubular metal shoulder stock that folds to the right side^[5] and features an internal compartment used to store a cleaning rod. Both the forward handguard and pistol grip are made of a lightweight synthetic.

For maintenance the weapon is field stripped into the following components: the receiver and barrel, bolt carrier, bolt, return mechanism, gas tube, receiver cover and magazine.

Feeding

The RK 95 TP is chambered for the intermediate 7.62×39mm M43 cartridge, due to its reliability in cold and harsh weather/terrain conditions.^[5] The rifle feeds from curved box magazines made of an impact-resistant polymer (empty weight: 0.16 kg), with a 30-round capacity of double-stacked cartridges.^[6] These magazines are also interchangeable with standard AK-47/AKM magazines.^[6]

Sights

The rifle comes with adjustable iron sights, consisting of a forward post and an L-shaped dual-aperture rear flip sight with settings for firing at ranges of 150 and 300 m.^[1] The front sight, corrected for windage and elevation, is mounted in a semi-shrouded post on top of the gas block, and the rear sight—on the receiver top cover.

For operation in low-level lighting conditions the rifle uses subdued self-luminous tritium gas vials,^[5] installed in a separate folding post attached to the base of the front sight and deployed manually, and in the rear sight assembly in a fixed notch sight, exposed by rotating the rear sight arm 180° forward around its pivot axis.

Additionally the rifle can be adapted to use various optical sights (e.g. the Trijicon ACOG or night vision equipment such as the Patria VV 2000 passive night sight), through the use of a receiver-mounted side-rail.^[4]^[7] A detachable cheek riser is employed when using optics.

Accessories

The rifle can be used with a barrel-mounted bipod^[7] or a 40 mm underslung grenade launcher attachment. A railed gas block attachment was also developed for the weapon and is used to mount tactical accessories. It can also use a mounted suppressor.^[2]

Variants

M92S

A civilian 7.62mm-caliber semi-automatic variant was manufactured and marketed as the M92S.^[10] This was marketed to civilians, as well as for law enforcement sales.^[11] One way to tell this apart from the RK 95 TP is the absence of an automatic sear axis.^[11]

M95S

The M95S is a semi-auto variant of the RK 95 TP.^[11]

M95 (5.56 NATO)

An export variant of the rifle was also produced, modified to use the 5.56×45mm NATO cartridge with the SS109 bullet, fed from plastic 30-round curved magazines.^[6] The barrel has four right-hand grooves with a rifling twist rate of 185 mm (1:7 in), and has a muzzle velocity of 920 m/s (3,018 ft/s) using standard ammunition.

Small numbers of this variant were made in order to show to clients for potential contracts that call for the purchase of the RK 95 TP in 5.56 NATO caliber in trade shows and arms conventions.^[11]

Users

References

^ ^a ^b ^c Kevytasekäsikirja [Small arms manual] (PDF) (in Finnish). Puolustusvoimien Koulutuksen Kehittämiskeskus. 2004. p. 31. ISBN 951-25-1526-1. Archived from the original (PDF) on 2014-11-29. Retrieved 2013-10-12.
^ ^a ^b "Valmet Sako Rk.62 / 76 / 95". 27 October 2010.
^ ^a ^b ^c Roodhorst 2015, p. 874.
^ ^a ^b ^c Rynnakkokivaari 95 TP Assault Rifle (Archive)
^ ^a ^b ^c ^d ^e "In Defense of Finnish Assault Rifle Production". www.smallarmsreview.com.
^ ^a ^b ^c ^d ^e "SAKO M95 Assault Rifle". www.military-today.com.^{[dead link‍]}
^ ^a ^b ^c Roodhorst 2015, p. 877.
^ "Finland Adopts SCAR-L for Special Forces -". 27 February 2015.
^ ^a ^b Poutanen, Jouko (18 April 2023). "Sakon aseaarteet: Sako RK 95, 7,62×39 – Kultainen ase". Metsästys ja kalastus (in Finnish). Otavamedia. Archived from the original on 11 September 2023. Retrieved 11 September 2023.
^ "Sako M92S based on the AK". 9 February 2017.
^ ^a ^b ^c ^d Roodhorst 2015, p. 878.

Bibliography

Roodhorst, Cor (2015). The Kalashnikov Encyclopedia: Recognition and Weapon Forensic Guide for Kalashnikov Arms and Derivatives I: Albania-Israel. Netherlands: Roodhorst Publications. ISBN 978-90-9027549-9.
Salo, Pauli (2007). Rynnäkkökivääri 7,62x39. (Assault Rifle 7.62x39) (2nd ed.). ISBN 978-952-92-1328-3.