.40 S&W Px4 Storm Magazine. 10 Round capacity.
Caliber: .40 S&W.
Finish: Black
Also compatible with: CX4 with PX4 Magazine Well Insert/Magazine Release, PX4 Full Size .40S&W, PX4 Compact .40S&W, PX4 Sub-Compact .40S&W* (Will extend below the base of the grip on a Compact and Sub-Compact)
