KB Mashinostroyeniya or KBM for short (Russian: КБ Машиностроения, КБМ, lit.

'Machine-Building Design Bureau') is a state defence enterprise, scientific and design R&D centre specialised in missile systems located in Kolomna, Moscow region, Russia.

KBM was founded on 11 April 1942 by order 1576 of the State Defence Committee for the mortar designs.

Former names include SKB-101, SKB-GA (Russian: Специальное конструкторское бюро гладкоствольной артиллерии, СКБ ГА, lit.

[1] Its main constructors were Sergey Nepobedimiy and Andranik Ter-Stepaniyan.