This replacement or spare magazine is compatible with your Ruger SR, SRc, PC Carbine with SR9/S9 mag well insert. Made in the USA.
Specifications:

Caliber	40 S&W
Capacity	15
Finish	Blued
Model	SR40/SR40C
Material	Steel
Type	Detachable
Model Fit	SR40/SR40C
Brand Fit	Ruger
Max Capacity	15