Original Nikko Stirling Universal fixed 4× long-tube riflescope (approx. 20mm objective), made in Japan (circa 1960s–1980s). Steel tube with deep black oxide finish, fine crosshair, nitrogen filled. Clear optics with no internal haze.
Includes period bridge-style mount designed to fit common .22 rimfire dovetail rails (3/8"). Can be adapted to Weaver/Picatinny rails with a dovetail→Picatinny adapter or custom rings. Good cosmetic condition for its age with light handling wear. Functional and ready to mount.
