RMB-93

The RMb-93 is a pump-action shotgun designed and manufactured by the KBP Instrument Design Bureau of Tula, Russia. It is the baseline model of the Rys ("Lynx") series of shotguns, taking the modelname of Rys-K. The RMb-93 has been conceived as a combat weapon for Special Forces and Police units that might face Close Quarters Battle situations. The weapon is thus engineered to reduce size and encumbrance as much as possible.

RMB-93
TypeShotgun
Place of originRussia
Production history
DesignerTsKIB SOO (Central Bureau for Hunting and Sporting Arms, now a division of KBP)
DesignedEarly 1990s
ManufacturerKBP Instrument Design Bureau
Produced1993 to 2007
VariantsSeveral sporting and hunting variants
Specifications
Mass2.5 kg
LengthStock extended: 920 mm
Stock folded: 671 mm
Caliber12-gauge
ActionDouble action only pump-action
Rate of fire12 rpm
Muzzle velocity340 meters per second
Feed system8 round overbarrel tubular magazine

Description

The working system of the RMb-93 is itself an odd slide-action operation called "Inverted Cycle", similar in concept to the one used in the South-African Truvelo Armoury Neostead shotgun (the only other mass-produced firearm to be based upon this system). The feeding tube is placed over the barrel rather than under it, and is accessed through a flip-up cover on the top of the receiver. Once the weapon is loaded, a shell is chambered by pushing the slide forward-then-backward, instead of the standard backward-then-forward motion of the forend found on most pump-action weapons. Having the RMb-93 a fixed breech face and movable barrel, the operation moves the entire barrel assembly. Once a round is fired and another is chambered, the empty shell falls downwards to the ground, pushed by its own weight. The design of the RMb-93 "Rys-K" carries several advantages: the ejection system makes the gun fully ambidextrous, and the magazine located over the barrel gives the shotgun a low center of mass and reduces upward recoil. The main drawback of the overall design stands in the fact that the weapon has a pistol grip with upfolding metal stock, which when folded finds itself right up the feeding tube. The RMb-93 thus can not be reloaded without extending or removing the stock, a disadvantage if it is being used tactically with a folded stock.

Variants and commercial availability

The RMb-93 "Rys-K" shotgun is commercially available to civilians in Canada, Russia, Italy and possibly in other Countries. For the civilian distribution in Russia and Canada, the shotgun is provided with a stock disconnector that prevents it from firing if the stock is not extended, so to comply with local laws and regulation about the minimum legal length for civilian firearms.

Additionally, KBP manufactures several variants of the "Rys" shotgun series for the civilian distribution. The RMb-93 "Rys-K" itself is manufactured with Phosphatized finish to resist salt corrosion (for use in maritime environments). The RMO-93 "Rys" is a purely sporting variant with wooden thumbhole stock and either wooden or synthetic slide-forend; very similar to it is the "Rys-OT" variant with longer barrel, synthetic or wooden slide-forend and standard wooden shotgun stock.

The RMF-93 "Rys-F" shotgun is a longer-barrel variant of the RMb-93 "Rys-K", plus equipped with the above-mentioned stock disconnector.

RMS-93 Rys (Lynx" ( p uzhё m The store on hotniche 93 years) - the civilian version of RMB-93. Available in the following versions:[1][2]

  • Rys-F - option length 809 mm with 680 mm barrel with a folding butt up and forward (in RMB-93).
  • Rys-O - version 1080 mm long and 680 mm barrel with a wooden butt awkward.
    • Rys-OC - version of 1080 mm with 680 mm barrel chambered for 12/76.
  • Rys-K - version with folding butt up and forward and shortened to 528 mm barrel (in this version, the RMS-93 is similar to RMB 93, but has the auto-lock the trigger when the stock is folded).
  • Rys-U - option 918 mm and 528 mm barrel with a wooden butt awkward having a hole for the thumb.
  • Rys-CA - option 924 mm 534 mm with barrel chambered for 12/76.
  • Rys-L - lengths 928 mm and 528 mm barrel with a wooden butt awkward.
    • Rys-LC - option 934 mm 534 mm with barrel chambered for 12/76.

Users
  •  Belarus - RMF-93 "Rys-F" is allowed as civilian hunting weapon[3]
  •  Moldova - RMF-93 "Rys-F", RMO-93-2 "Rys-K" and RM-96 "Rys-U" are allowed as civilian hunting weapon[4]
  •  Russia - RMO-93 and RMF-93 "Rys-F" are allowed as civilian hunting weapon since August 1996[5] Also, they were used in private security companies until 1 March 2006[6]

See also
  • List of Russian weaponry

References
  1. http://weapon.at.ua/load/205-1-0-197
  2. Malov, Oleg Lvovich . Hunting weapons in the world. Encyclopedia. - Olma-Press, 2003. P. 451. the ISBN 5224031532
  3. «2.1.1.2-1/028 Ружье охотничье магазинное Рысь-Ф (РМФ-93)»
    Указ Президента Республики Беларусь № 71 от 13 февраля 2003 года «Об утверждении Положения о порядке ведения и издания Государственного кадастра служебного и гражданского оружия и боеприпасов и Положения о порядке проведения сертификации служебного и гражданского оружия и боеприпасов» (редакция от 10 июля 2015 г.)
  4. Постановление правительства Республики Молдова Nr. 1173 от 19 декабря 1997 г. "Об отнесении некоторых моделей оружия к индивидуальному оружию"
  5. "2.3.2. Охотничье огнестрельное оружие гладкоствольное... 30. Ружье магазинное фермерское "Рысь-Ф" (РМФ-93) ... Ружье магазинное "Рысь" (РМО-93)""
    Распоряжение Правительства РФ № 1207-р от 3 августа 1996 г. "Перечень служебного и гражданского оружия и боеприпасов к нему, вносимых в Государственный кадастр служебного и гражданского оружия"
  6. "3. Установить, что огнестрельное оружие, приобретенное в соответствии с законодательством Российской Федерации негосударственными (частными) охранными предприятиями до вступления в силу настоящего постановления и не включенное в перечень видов вооружения охранников, утвержденный постановлением Правительства Российской Федерации от 14 августа 1992 г. N 587 (с изменениями, внесенными настоящим постановлением), может находиться на вооружении охранников до 1 марта 2006 г."
    Постановление Правительства РФ № 179 от 4 апреля 2005

Sources
  • Cutshaw, Charlie (1998). The New World of Russian Small Arms & Ammo. Boulder, CO: Paladin Press. ISBN 0-87364-993-1.

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