Pietta Colt 1858, 1860, 1861 Trigger Bolt SpringPart # 502
Pietta Colt 1858, 1860, 1861 Hand and Spring
Pietta Colt 1858, 1860, 1861, 1873, Colt Gen 1 & 2 Mainspring
Pietta Colt Bolt, 1851, 1860, 1861Part # 482.Pix of Uberti Bolt