Small amounts of side-to-side, up-and-down or rotational movement of the buttstock assembly is acceptable without repair.

Replace the butt plate (12) if any of the following conditions exist:

(1) Cracks around the mounting holes are visible when installed on the weapon.

(2) Cracks or separations around the door assembly are visible when the door assembly is closed.

(3) If any crack is in excess of 1/4 inch in length and extends through the butt plate (12).

(4) The butt plate (12) should not be removed other than for repair or replacement of parts at which time a new, self-locking screw must be used.

Function check the magazine catch (13) and bolt catch (14).

Check lower receiver (11) finish for scratches and worn shiny spots.

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