Republika Srbija - Ministarstvo odbrane
SMESTA Standardni izrazi u vojnoj terminologiji srpskog i engleskog jezika
- SR - pozajmica barutnih gasova
- EN - blowback (2)
Type of weapon operation in which the force of expanding gases acting to the rear against the face of the bolt furnishes all the energy required to initiate the complete cycle of operation. A weapon which employs this method of operation is characterized by the absence of any breech-lock or bolt-lock¬mechanism.
http://www.smesta.mod.gov.rs/pretraga.9.html?searchRecnik=on...


Wikipedia
- Blowback is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gas created by the ignition of the propellant charge.[1]
https://en.wikipedia.org/wiki/Blowback_(firearms)