Do not remove spring pin (14) unless it is damaged.
Clamp buffer housing and plug assembly (7) in vise (13) (with protective jaws) at two forward ribs (8). Be sure that the vise jaws do not cover headed straight pin (9).
Hold hand over back plate latch (10) when removing headed straight pin (9), or helical compression spring (11) and detent plunger (12) will fly out.
OLD STYLE BUFFERS ONLY:
Punch spring pin (15) out of buffer assembly (7) and discard.
Unscrew machine plug (16) and remove retaining tab washer (18) (M240G only), eleven spring washers (19), sleeve spacer (20), expansion ring (21), braking buffer cone (22), and buffer plug (23) from back plate (24).
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