title: STK 40 GL
text: # STK 40 GL
  
  The STK 40 GL, formerly the CIS 40 GL is a 40 mm grenade launcher, developed in the late 1980s and produced by the Singaporean defense firm CIS - Chartered Industries of Singapore (currently ST Kinetics). The launcher is employed primarily by the Singapore Armed Forces and the police and security forces of several other countries.
  
  ## Design
  
  According to ST Kinetics Senior Engineer Felix Tsai, the STK 40 GL can be configured to be used with a buttstock or attached underneath assault rifles like the SAR-21, the M16 and HK series.
  
  ## Users
  
  * Czech Republic: 601st Special Forces Group uses it on Samopal vz. 58s.
  * Italy: Made under license by Luigi Franchi S.p.A. as the Franchi GLF-40.
  * Papua New Guinea: Used by the Royal Papua New Guinea Constabulary.
  * Poland
  * Peru: Used during Cenepa war 1995.
  
  ### Non-state actors
  
  * Secretly acquired by Tamil Tigers.
  