&questionText=Now you are ready to lubricate the M240B machine gun. Determine the correct answer to the question and indicate your answer by clicking the letter next to your choice.
Which of the following groups contains three items that should not be lubricated?&
&lure1=Butt stock, piston, rear sight&
&lure2=Cover, face of bolt, bolt locking lugs&
&lure3=Composite or rubber components, tripod, driving spring&
&lure4=Operating rod, gas regulator, barrel assembly&
&correctResponse=1&
&questionNumber=5&
&mediaStyle=swf&
&disableBtns=goto&