Maintain an M4 or M4A1 Carbine Exercises
Clean/Lubricate the Carbine Exercise 1
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&questionText=What is the recommended cleaning procedure for the action spring shown here?&
&lure1=clean with a brush and a rag&
&lure2=swab with a patch moistened with CLP&
&lure3=clean with a rag and CLP&
&lure4=clean with a pipe cleaner and CLP&
&questionNumber=4&
&correctResponse=1&
&mediaStyle=swf&