Manual

CLEANING • INSPECTION • LUBRICATION…
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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 toothbrush; brass wire bristle bore and chamber brushes
and a Cleaner/Lubricant/Preservative (CLP in Army terminology).
After you have disassembled the rifle, thoroughly clean, inspect and lubricate all parts
according to the techniques described on following pages.
DETAILED CLEANING TECHNIQUES…
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NOTE: The procedures below describe cleaning with a standard military
issue multi-piece rod cleaning kit. Other commercial cleaning kits may
include alternate cleaning instructions which may be just as effective.
CLEANING THE BORE: The bore of your Bushmaster rifle has lands and
grooves called rifling. Rifling makes the bullet spin very fast as it moves
down the bore and down range. It is difficult to push a new, stiff bore brush
through the bore. You will find it much easier, and more effective, to pull
your bore brush through the bore. Also, because the brush will clean
better if the bristles follow the grooves (this is called tracking), you want the
bore brush to be allowed to turn as you pull it through. Always clean from
from chamber toward the muzzle. This is how you do it:
1.) Swab out the bore with a patch moistened with “CLP”.
2.) Attach three rod sections together but leave each one about two turns
short of being tight.
3.) Attach the bore brush but leave it two turns short also.
4.) Point muzzle down. Hold the upper receiver in one hand while inserting
the end of the rod without the brush into the chamber. Guide the rod
carefully through the bore. CAUTION - do not let the rod or its threaded
end scratch the Chrome Lining of the Bore or Firing Chamber.
About 2 - 3 inches of the rod should protrude out of the muzzle.
BORE
BRUSH
AND
THREE
ROD
SECTIONS