FB Tantal
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| Kbk wz. 88 Tantal | |
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The Kbk wz. 88 Tantal
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| Type | Assault rifle |
| Place of origin | Poland |
| Service history | |
| In service | 1991–present (Middle East) |
| Used by | See Users |
| Wars | Kosovo War, UNDOF, Iraqi insurgency, Syrian Civil War[citation needed] |
| Production history | |
| Designer | OBR Radom |
| Designed | 1981–1988 |
| Manufacturer | FB Radom |
| Produced | 1989–1994 |
| Number built | ~25,000 |
| Variants | Kbkg wz. 1974, skbk wz. 1989 Onyks |
| Specifications | |
| Weight | 3.69 kg (8.14 lb) |
| Length | 943 mm (37.1 in) stock extended / 748 mm (29.4 in) stock folded |
| Barrel length | 432 mm (17.0 in) |
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| Cartridge | 5.45×39mm |
| Action | Gas-actuated, rotating bolt |
| Rate of fire | 700 rounds/min |
| Muzzle velocity | 880 m/s (2,887 ft/s) |
| Effective firing range | 500 m |
| Maximum firing range | 100–1,000 m sight adjustments |
| Feed system | 30-round detachable box magazine |
| Sights | Rear sight notch sight on sliding scale, front post |
The karabinek wzór 1988 (Carbine Model 1988) Tantal is a 5.45×39mm assault rifle designed and produced in Poland in the late 1980s.
Contents
Development
Design work on the new rifle officially began in 1984 at the government-owned Ośrodek Badawczo-Rozwojowy (OBR) in the city of Radom at the request of the Polish Ministry of Defense (the OBR institute had already been studying a possible 5.45mm weapon platform since late 1980). In 1985, the weapon’s parameters were confirmed and factory tests were conducted by the end of that year. In 1986 the first batch of prototypes was fabricated for evaluation and qualification testing.
These early prototypes, initially designated wz. 1981, were modeled on the Soviet 5.45mm AK-74 assault rifle and emphasized a high degree of parts commonality with the AKM rifle.[1] As the weapon was intended to be able to launch rifle grenades, a newly designed, multi-functional muzzle device and a sturdier folding shoulder stock were used (the wire stock is a copy of the wire stock used on the East German MPi-KMS-72 rifle). Additionally, the wz. 81 was equipped with a mechanically limited burst fire mode, borrowed from the AKMS wz. 1980 prototype developed in the late 1970s by OBR.[1]
By the end of 1987 the rifle was extensively overhauled and improved (among the changes made, a series of components were introduced that were meant to be interchangeable with the AK-74, including the bolt carrier, bolt, magazines and the burst fire mode was further refined). In January 1988, these product improved prototypes were again evaluated, and in 1989 the rifle was declared to have met its requirements, followed by an order for a pre-production batch, which was manufactured that same year. In 1990 the rifles were successfully evaluated and then transferred for final operational testing. In 1991 the rifle was introduced into service with the Polish Army as the 5,45 mm karabinek wz. 1988 (kbk wz. 88).[1]
The weapon’s design was authored by the team of engineers at OBR in Radom, under the guidance of B. Szpaderski. The rifle was produced exclusively with a folding wire stock by the Łucznik Arms Factory in Radom.[1]
Design details
The Tantal is a selective fire, gas piston operated weapon that taps expanding exhaust gases off through a port in the barrel to a gas cylinder above the barrel. The barrel is locked against its longitudinal axis by a right rotating bolt. A spring extractor is contained inside the bolt head, and a fixed ejector—inside the receiver housing.
The fire control selector, with its lever located on the left side of the receiver wall, enables fully automatic fire (lever in the “C”-marked position), semi-automatic fire (“P”) and 3-round burst fire mode (“S”). The selector can be operated with the safety either engaged or disabled.
The weapon is secured against misfires through a manually operated safety (whose lever, as in the AKM is located on the right side of the receiver), that disables the trigger bar and limits the movement of the bolt carrier. Sliding the safety selector to the top position (marked with a “Z” symbol) secures the weapon, lowering the lever down (“O” setting) disables the safety. The Tantal feeds from a double-column curved box magazine, made from a synthetic bakelite material or stamped metal, with a 30-round cartridge capacity.
The cold hammer forged barrel has a chrome-plated bore with 4 right-hand grooves at a 200 mm twist rate. It is equipped with a multifunction muzzle brake that can be used to launch rifle grenades.[1]
The Tantal features a metal wire side-folding stock (folds to the right side), ended with a profiled shoulder pad. The rifle can also use a fixed wooden or synthetic buttstock designed for AKM or AK-74 rifles. Both the upper and lower handguard and pistol grip are fabricated from bakelite, although a limited number of Tantal-specific black polymer handguards and pistol grips have also been produced. Most handguards designed for use with the wz. 1996 Beryl assault rifle may also be installed on the Tantal.
The rifle has mechanically adjustable iron sights that consist of a notch on a sliding tangent and forward post. The rear sight’s drop arm has a range scale engraved with settings from 1 to 10 (corresponding to firing ranges from 100 to 1,000 m, graduated every 100 m) and a fixed setting “S” that is the equivalent to setting “4” on the range scale.[1] Additionally, the sight assembly is fitted with a radium gas illuminated vial that enables use in low light and near dark conditions.
Equipment supplied with the Tantal includes: three spare magazines, a 6H4 type bayonet with scabbard, bipod, four 15-round stripper clips (they enable rapid magazine charging), a stripper clip guide, cleaning kit, sling, magazine pouch and a lubricant bottle. The weapon's muzzle brake can also be replaced with a blank firing adaptor for use with blanks during training exercises.
The wz. 88 rifle fires the intermediate 5.45×39mm round with either standard, tracer or training cartridges, all produced locally by Zakłady Metalowe "Mesko" in the town of Skarżysko-Kamienna.[1]
Variants
The Tantal was used to develop the Onyks carbine, the karabinek-granatnik wz. 1974 rifle/grenade launcher combination and a “night” variant of the wz. 1988, equipped with a receiver side-rail used to mount an NSP-3 night sight (or Polish PCS-5 night sight). Kbk wz. 1990, a prototype made to fire 5.56 round, but the Polish Army wasn't interested in developing this idea.
Users
Iraqi Kurdistan: Many examples of this rifle have been seen arming the Kurdish Peshmerga force in both Iraq and Syria who are fighting various insurgent groups, notably ISIS.[citation needed]
Syria: Some Free Syrian Army forces have been armed with examples of this rifle in their fight against ISIS and al-Assad's regime.[citation needed]
Iraq: 10,000 examples bought from Poland in 2005/2006.[2]
Poland: 25,000 examples, withdrawn from service in 2005, some kept in storage.[2]
See also
Notes
References
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External links
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AK-47 and derivatives
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