$14.99, located in Atlanta, Georgia, USA (303**), item #276257308339
Fits on classig 1913 21mm picatinny and weaver rail. LOW PROFILE SCOPE RINGS FOR 21MM PICATINNY RAIL. FITTING ON ANY STANDARD 21mm PICATINNY WEAVER RAIL. LOW PROFILE SCOPE RINGS. PERFECT FIT FOR ANY 25.4mm (1") SCOPE, FLASHLIGHT, LASER, ETC.