Remove two screws (1) from buttplate (2).
Remove the butt securing screw (3) from buttstock. The locking ring (4) and securing screw bushing (5) are not to be removed (visual inspection only).
Remove buffer housing and plug assembly (7) from the buttstock assembly to gain access to the back plate latch.
(M240B): Remove hydraulic buffer from back plate housing only if replacement is required. Further disassembly of hydraulic buffer is not authorized.
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