déculassement
nounEtymology Borrowed from French.
1
Engineering, Firearms, Government, Military, Natural sciences, Physical sciences, Politics, Tools, War, Weaponry An accidental blowing off of, or other serious damage to, the breechblock of a gun.
2
Engineering, Firearms, Government, Military, Natural sciences, Physical sciences, Politics, Tools, War, Weaponry The removal of the breechblock for the purpose of disabling the gun.