The replacement magazines for the SD9 and SD40 are stainless and have a capacity of 10 or 16 round for the SD9 and 10 or 14 round for the SD40.
SPECIFICATIONS:
Mfg Item Num: 19927
Category: FIREARMS – CLIPS & MAGAZINES
Caliber :40 Smith & Wesson
Capacity :14 rd
Finish :Stainless
Model :SD40
Material :Steel