Walker - OAL - 15 1/2 inch, 9 inch barrel, long cylinder will hold 65 gr powder; weight 4 lb, 8 oz; V type mainspring, round bolt with oval slots; Square back triggerguard
3rd Model Dragoon - OAL 14 inches, 7 1/2 inch barrel, cylinder holds around 55 grains, weight 4 lb, 2 oz; flat mainspring (like Army/Navy pistols), rectanguklar bolt and slots; rounded back (oval) triggerguard