Maintain an M4 or M4A1 Carbine Reviews
Summary – Perform a Function Check
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&pageText=To correctly perform a function check on the M4 carbine, you must:&
&bulletText1=Remove magazine.&
&bulletText2=Check chamber for ammunition.&
&bulletText3=Check with selector lever on SAFE.&
&bulletText4=Check with selector lever on SEMI.&
&bulletText5=Check with selector lever on BURST.&