We make the following parts for the 1866 Springfield, all other lock and hardware parts are the same as 1863 - 1864 Springfield.
| 841 H-66 | Hammer (1866) | $34.95 | |
| 841 EX-66 | Extractor (1866) | $24.95 | |
| 841 FRP-66 | Firing Pin (1866) | $24.95 | |
| 841 RSB-66 | Rear Sight Base (1866) | $19.95 | |
| 841 RSL-66 | Rear Sight Leaf (1866) | $19.95 |