This magazine fits your Ruger Mark IV and Mark III is constructed of stainless steel with a stainless finish and comes in a pack of two.
RUGER MARK III/IV
UPC : 736676906451
Caliber : .22 LR
Capacity : 10 ROUNDS
Finish : STAINLESS STEEL
Material : STAINLESS STEEL
Brand Fit : RUGER
Model Fit : MARK III/MARK IV