Henry Derringer Contract Rifle lock. This is the lock that Derringer used on his State Contract Rifles and Indian Trade Rifles. The lock plate measures 5 1/4" x 15/16". The throw of the cock is 1 5/8".
| 583 | Set of Lock Castings | $150.00 | |
| 583 AS | Assembled Lock | $495.00 | |
| 583 LP | •Lock Plate | $24.95 | |
| 583 C | •Cock | $24.95 | |
| 583 TJ | •Top Jaw | $18.95 | |
| 583 F | •Frizzen | $24.95 | |
| 583 FS | •Frizzen Spring | $23.95 | |
| 583 T | •Tumbler | $18.95 | |
| 583 B | •Bridle | $18.95 | |
| 583 S | •Sear | $18.95 | |
| 583 SS | •Sear Spring | $19.95 | |
| 583 MS | •Main Spring | $23.95 | |
| 583 TJSX | Top Jaw Screw | $12.95 | |
| 583 LSS | Lock Screw Set | $24.95 | |
| 583 LSB | Lock Screw Bolster (2 Needed) | $12.95 | 
•Included in a Set of Lock Castings.