3100.00 Original U.S. Civil War Whitney Navy 2nd Model Revolver .36 Caliber Matching Serial Number 15741G with Original Holster Oshawa / Durham Region Mar 3, 2025 - 11:28 AM Antique Aficionado The Whitney Navy is a 6-shot, .36 caliber, single action percussion revolver that was manufactured from the late 1850s through the early 1860s. The revolver went into production after Colt’s patent on his revolver mechanism expired in 1857.