мушка
front sight (fore / muzzle sight)
muzzle bore sight
sight, to take a (careful) sight
day-sight (day sight)
modular integrated display and sight helmet (Modular Integrated Display-And-Sight Helmet)
center of the muzzle
muzzle
muzzle face
muzzle loading
muzzle velocity
muzzle-loader
passive muzzle brake
muzzle velocity management
muzzle boresight (MBS)
muzzle reference system (MRS)
muzzle safety
muzzle safety distance
bell muzzle
active-reactive muzzle brake
calculated muzzle velocity
crowning muzzle
wear muzzle velocity
developed muzzle velocity
double-baffle muzzle brake
face of the muzzle (of the piece)
false muzzle
finishing muzzle
muzzle velocity line
muzzle velocity variation
muzzle thread
multi-slot muzzle brake
muzzle-brake thrust