Advertisement
Cleaning, Lubrication and Maintenance
NOTE:The MAX-31A mk2 upper receiver halves are
secured together with screws.These are not intended to be
removed for routine maintenance and cleaning.
Cleaning and lubrication should be carried out per the
original manual provided with the M-11A1 with the follow-
ing additional requirements:
Recommended cleaning interval is after each shooting
session or 500 rounds of use.
Remove the upper receiver from the lower receiver. Slide
the bolt assembly fully rearward and remove.
Clean upper receiver with solvent. The metal finish and
polymer grips are resistant to most cleaning chemicals
including Mineral Spirits, Acetone and MEK. Inspect all
mounting screws for tightness.
Clean the cocking groove in the top rail of the upper
receiver by spraying with an aerosol gun cleaner. Add a
couple drops of gun oil to the top of the cocking assem-
bly.
Clean barrel using your preferred method.
Lightly coat all surfaces with gun oil. Wipe away any
excess oil.
Clean the bolt assembly in solvent. Brush the bolt face
and breach area with a nylon or brass brush to remove
any built-up carbon deposits. Ensure the bolt face is clean
and free of debris.
Using a fingertip, apply a thin coat of gun oil to the bolt
surfaces. Wipe away any excess oil. Add a drop of gun
oil to the recoil spring where it meets the back of the bolt.
Inspect the sear engagement surface for rounding or
burrs. Small burrs may be removed with a file. If the
Advertisement
