Description Ruger MK I in .22 Long Rifle with one, ten round removable magazine and a 4.75″ barrel. Checkered black composite grip plates. Blued frame, charging handle and barrel. Serrated trigger. Magwell located magazine release. Left side of frame safety switch. Rear notch and front fixed blade sight. Must ship to a FFL holder. Condition: Very Good with light scuffs and handling wear. Clean rifled bore. Barrel Length: 4.75″ Serial: 1538509 Manufacturer: Ruger Year: 1979 Caliber: .22 LR Model: MK I Book# 07072