RUGER GP100 357MAG

Your Ruger GP100 revolver with serial number 173-66355 was manufactured in 1996.According to the official Ruger GP100 Serial Number History, the serial numbers for that timeframe progressed as follows:1996 Beginning Serial Number: 173-557951997 Beginning Serial Number: 173-69135Since your serial number (173-66355) falls between these two benchmarks, it was produced during the 1996 production run.Quick Facts About 1996 GP100sGrips: Revolvers from this specific mid-90s era typically shipped with Ruger's classic cushioned black rubber grips featuring hardwood inserts.Calber: While the Ruger GP100 line expanded later into other calibers like .22 LR and 10mm, models from 1996 were primarily chambered in the versatile .357 Magnum (which also safely fires .38 Special).Durability: The GP100 is widely celebrated by firearm enthusiasts as being "built like a tank" due to its solid steel frame and a distinct triple-locking cylinder that preserves barrel alignment over decades of heavy use.