A Repair and replacement of parts performed by unit maintenance is limited to authorized items listed in Appendix C of this manual, except for swivel (8448571) and tubular rivet (8448697) listed in TM 9-1005-249-23&P or TM 9-1005-319-23&P or TM 05538C-23&P/2A (Marine Corps only).
B Unit maintenance is authorized to install and remove the Quick Release Bracket to the M203A2.
All levels of maintenance are authorized to mount and dismount the M203A2 W/Quick Release Bracket to and from host weapon. Crew maintenance is authorized M203A2 to remove/ install the quadrant sight assembly.
Bore constriction check tool, manufactured from NSN 9510-00-813-5335.
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