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OTs-21 Malysh
Place of origin  Russia
Production history
Designer Y. I. Berezin[1]
Designed 1994[1]
Manufacturer KBP Instrument Design Bureau
Variants OTs-21S
Weight 565 g (19.9 oz) (OTs-21)
550 g (19 oz) (OTs-21S)
Length 126 mm (5.0 in)
Width 20 mm (0.8 in)
Height 100 mm (3.9 in)

Cartridge 9x18mm Makarov (OTs-21)
.380 ACP (9x17mm Short) (OTs-21S)
Action Straight blowback
Effective range 10 m (10.9 yd)
Maximum range 25 m (27.3 yd)
Feed system 5-round detachable box magazine
Sights Single groove on the slide

The OTs-21 Malysh (Russian: ОЦ-21 «Малыш», meaning "kid") is a 9 mm semi-automatic pistol designed by the KBP Instrument Design Bureau for special applications where concealment is a key priority.

The Malysh operates on the simple blowback principle; it is a double action only design with the ammunition capacity limited to five 9x18mm Makarov rounds (can use only 57-N-181S cartridges) in a box magazine with a base extension for more comfortable holding and firing. It features an internal hammer and there are no protrusions to hinder rapid withdrawal from a pocket or holster. The pistol has no safety other than the need for a definite pressure on the trigger. There are also no sights other than a groove along the top of the slide, emphasizing the intention that the OTs-21 Malysh is limited to very short-range engagements.


  • OTs-21 (ОЦ-21) - 9x18mm Makarov version[1]
  • OTs-21S (ОЦ-21С) - 9x17mm version[1]
  • OTs-26 (ОЦ-26 «Малыш») - 5,45x18mm version


  •  Russia - used in law enforcement[2]


  1. 1.0 1.1 1.2 1.3 Виктор Шунков. Боевое и служебное оружие России. М., ООО "Издательство ЭКСМО", 2012. стр.110-111
  2. Постановление Правительства Российской Федерации № 568 от 16 сентября 2006 года

See also

External links

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