Description Hi Standard Sentinel Model R-101 in .22 caliber with a nine round capacity and a 3″ barrel. Checkered composite grip. Nickel finished frame, trigger guard, cylinder and barrel. Blued serrated trigger and checkered hammer. Under barrel cylinder release pin. Front and rear fixed sights. Comes with instruction manual and correct model box with mismatched serial number to gun. Must ship to a C&R or FFL holder. Condition: Good with scratches, dings and handling wear. Clean rifled bore. Barrel Length: 3″ Serial: 612124 Manufacturer: Hi Standard Caliber: .22 Model: Sentinel Book# 04421