Maintain an M4 or M4A1 Carbine Reviews
Lubricate Lower Receiver Group
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&pageText=To lubricate the lower receiver group of the M4/M4A1 carbine, these steps must be completed:&
&label1=Lubricate the inside lower receiver extension, the outside lower receiver extension, the buffer, the action spring, and the inside buttstock assembly&
&label2=Lubricate the takedown pin, the pivot pin, detents, and all other moving parts inside the lower receiver and their pins&
&popText1=Lightly lubricate the inside lower receiver extension, the outside lower receiver extension, the buffer, the action spring, and the inside buttstock assembly. &
&popText2=Generously lubricate the takedown pin, the pivot pin, detents, and all other moving parts inside the lower receiver and their pins. Generously lube means apply the lubricant heavily enough so it can be spread with a finger.&