Maintain an M4 or M4A1 Carbine Reviews
Inspect the Carbine for Serviceability
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&pageText=The fourth performance measure in maintaining the M4 or M4A1 carbine involves the inspection of the carbine for serviceability. After cleaning your weapon and prior to reassembling it, you must inspect the components of each of the three major groups for serviceability. Once these three groups have been inspected, any unserviceable or missing parts must be reported to maintenance for repair or replacement. To inspect the carbine for serviceability, you must inspect each of these major groups:&
&label1=Inspect upper receiver group&
&label2=Inspect lower receiver group&
&label3=Inspect bolt carrier group&
&sub1=1&
&page1=0010&
&sub2=2&
&page2=0010&
&sub3=3&
&page3=0010&
&instructionText=Click on the NEXT button to continue.&