Cleaning Inspection Lubrication

After firing, clean your rifle as soon as possible to make the job easier and to avoid allowing the development of any corrosion. When your firearm has not been fired, you should clean it at least once or twice a year if you live in a temperate climate, or as often as once a week in a tropical climate. If you get your firearm wet, clean it as soon as possible. Use a high quality rifle cleaning kit that includes a cleaning rod swab holder cotton flannel bore patches pipe cleaners a small...

Disassembling your rifle continued

Disassemble using steps 13 through 16, only when dirty or damaged 13. Remove extractor pin by pushing out with a drift punch. You may need to use a small hammer to drive the pin out. 13. Remove extractor pin by pushing out with a drift punch. You may need to use a small hammer to drive the pin out. 14. Remove extractor plunger, and spring. CAUTION Extractor spring may pop out and get lost

Cleaning the upper receiver

NOTE Check to ensure that there is no looseness between the barrel and the upper receiver - if you detect any movement by twisting with your hands, the barrel nut must be re-torqued. Bring the rifle to a qualified gunsmith. 1. Using a CLP product, clean all areas of powder, corrosion, dirt and rust. Never use a wire brush or any type of abrasive to clean the aluminum upper receiver - you'll scratch and damage the finish.

Cleaning the ejector

The design of the ejector makes its disassembly for cleaning somewhat impractical i.e. we don't recommend it . Make sure your Bushmaster ejects empty cases efficiently by following these steps on a monthly basis more frequently if firing blanks . 1. Remove the bolt from the carrier as described on previous pages . Hold it as shown with the ejector down and the extractor up. 2. Dribble a few drops of CLP around the ejector to form a puddle. 3. Take a fired or dummy case and place it under the...