варіація / зміна початкової швидкості (кулі тощо)
muzzle velocity
muzzle velocity management
calculated muzzle velocity
wear muzzle velocity
developed muzzle velocity
muzzle velocity line
muzzle velocity correction
grid variation
compass variation
diurnal temperature variation
east variation
magnetic variation chart
pressure variation
magnetic variation / magnetic declination
variation chart
variation correction
variation
center of the muzzle
front sight (fore / muzzle sight)
muzzle
muzzle bore sight
muzzle brake
muzzle face
muzzle loading
muzzle sight
muzzle-loader
passive muzzle brake
muzzle boresight (MBS)
muzzle reference system (MRS)
muzzle safety
muzzle safety distance
bell muzzle