Maintain an M4 or M4A1 Carbine Reviews
Clean Bolt Carrier Group
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&pageText=To clean the bolt carrier group of the M4/M4A1 carbine, these steps must be completed:&
&label1=Clean bolt carrier&
&label2=Clean carrier key&
&label3=Clean firing pin recess and firing pin&
&label4=Clean firing pin hole&
&label5=Clean locking lugs&
&label6=Clean bolt ring and extractor&
&popText1=Clean the outer and inner surfaces of bolt carrier with a rag and CLP. &
&popText2=Clean the carrier key using a worn bore brush.&
&popText3=Clean the firing pin recess and firing pin with a brush and CLP.&
&popText4=Clean the firing pin hole with a pipe cleaner and CLP.&
&popText5=Clean the carbon deposits and dirt from the locking lugs with a cleaning brush and CLP.&
&popText6=Clean the areas behind the bolt ring and under the lip of the extractor with a brush and CLP. &