The selector lever is on the SAFE position.CARING AND CLEANING OF THE RIFLEAND AMMUNITIONA clean, properly lubricated and maintainedrifle that is loaded with clean ammunition will firewhen needed. To keep the rifle in good condition,you need to take care of it and clean it. Under badweather conditions, some key parts may need care andcleaning several times a day. The cleaning material(fig. 11-14) used for the care of the rifle is carried inthe rifle stock. Special attention must be given to thebarrel bore and chamber, bolt carrier group, upperreceiver group, lower receiver group, and theammunition magazines.11-9Figure 11-14.—M16Al and M16A2 rifle cleaning material.Student Notes:PART ACTIONBarrel bore and chamber 1.2.3.4.5.Dip a bore brush in the bore cleaner; then brush from the chamber to the muzzle, usingstraight-through strokes. Don’t reverse the brush while it is in the bore: it may jam. Ajammed brush is hard to remove, and removing the brush might damage the bore.Dip the brush in bore cleaner; then clean the chamber with the bore brush.Replace the bore brush with a slotted cleaning patch tip, and push the dry patches throughthe bore and chamber until they come out clean.After you clean the bore, lightly lubricate the bore and chamber to prevent corrosion andpitting. Use the recommended lubricant on a patch.Lightly lubricate the lugs in the barrel extension.
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