X-prefix serial numbers and arsenal-renumbered pistols.
| Serial Start | Serial End | Arsenal / Notes |
|---|---|---|
| X2693614 | X2693665 | Renumbered Raritan Arsenal |
| X2693666 | X2693785 | Renumbered RIA |
| X2693786 | X2693885 | Renumbered Ordnance in Tokyo Arsenal |
| X2693886 | X2694996 | Renumbered several U.S. Arsenals |
| X2694997 | X2694998 | Renumbered RIA, 1954–1955 |
| X2694999 | X2695198 | Renumbered Ordnance in Tokyo Arsenal, 1955 |
| X2695199 | X2695201 | Renumbered Raritan Arsenal, 1955 |
| X2695202 | X2695210 | Renumbered RIA, 1955–1956 |
| X2695211 | X2695212 | Renumbered Minnesota Military District Arsenal, 1957 |