| 42 / | HD | FIREARMS |
| 2 | DF | BREECH LOADING {12} |
| 26 | | .~ Swinging breechblock {8} |
| 27 | DF | .~.~> Movable chamber |
| 28 | DF | .~.~> Downward and rearward {1} |
| 30 | DF | .~.~> Laterally forward |
| 31 | DF | .~.~> Laterally rearward |
| 32 | DF | .~.~> Parallel pivot {1} |
| 34 | DF | .~.~> Rearward and downward {1} |
| 36 | DF | .~.~> Upward and forward {1} |
| 38 | DF | .~.~> Upward and rearward {1} |