Cleaning the Upper Receiver

Basic cleaning of the upper receiver group should include the following:

l Attach the three rod sections together but leave each one about two turns short of being tight. l Attach the patch holder onto the rod. l Point the muzzle down and insert the non-patch end of the rod into the chamber. Attach the handle to the cleaning rod section and pull a CLP-moistened 5.56mm patch through the bore. l Attach the bore brush to the rod but leave it two turns short of being tight. Put a few drops of CLP on the bore brush. Insert the rod into the barrel from the chamber end, attach the handle, and pull the brush through the bore. Repeat 3 times. Remove bore brush and attach the patch holder to the rod with a CLP moistened patch insert the rod into the barrel from the chamber end, attach the handle, and pull the patch through the bore. l Inspect the bore for cleanliness by holding the muzzle to your eye and looking into the bore. l Repeat the above steps until the patches come out of the bore clean. l Attach the chamber brush and one section of the cleaning rod to the handle. Moisten it well with CLP and insert it into the chamber. l Scrub the chamber and bolt lugs using a combination of a plunging and clockwise rotating action.

l Clean the interior portion of the upper receiver with the general-purpose brush and CLP. l Dry the bore, chamber, and the interior of the receiver with rifle patches, swabs, and clean rags until they come out clean. Then moisten all interior surfaces with CLP. l Wipe the barrel, gas tube, and handguards clean with a rag.

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