Legend
479...Frame
480...Barrel
481...Sideplate
482...Yoke
483...Cylinder
484...Trigger
485...Hammer
486...Extractor
487...Cylinder Release Bolt
488...Hand
489...Cylinder Release Thumbpiece
490...Cylinder Stop
491...Double Action Sear
492...Rebound Catch
493...Extractor Rod Knob
494...Barrel Pin
495...Center Pin Spring
496...Yoke Stop
497...Hammer Stud
498...Trigger Stud
499...Cylinder Stop Stud
500...Cylinder Bolt Plunger         

501...Plate Screw, large head
502...Yoke Screw
503...Plate Screw
504...Cylinder Bolt Screw
505...Rebound Catch Plunger
506...Trigger Spring
507...Locking Bolt Spring
508...Bolt Spring
509...Yoke Stop Spring
510...Double Action Sear Spring
511...Rebound Catch Spring
512...Front Sight
513...Mainspring (Hammer Spring)
514...Center Pin
515...Extractor Rod
516...Extractor Spring
517...Stock Screw
518...Strain Screw
519...Locking Bolt (for Front of Center Pin)
520...Hammer Stirrup
521...Cylinder Release Thumbpiece Nut
522...Frame Lug
523 & 524...Stocks