These weapons, building on the success of the earlier two-barrel turnover pistols, were fitted with three, four or seven barrels.

The weapon can also be fitted with an optional bipod and a bayonet.

These weapons had even been fitted with variable-power scopes.

The weapon could be fitted with a detachable bipod for stability.

This automatic weapon was fitted for dealing with E-boats on east coast duties.

To deaden the sound of the shot, each weapon was fitted with a suppressor.

The weapon is fitted with a 5x scope, a night vision sight can also be mounted.

Some smaller weapons were fitted for use against aircraft.

The weapon was fitted in the right side of the aircraft's nose behind a large, convenient access panel.

Today non-electric weapons (typically used for practice) are generally fitted with plastic buttons.