***This magazine is NOT compatible with the Staccato CS model*** Staccato's 2011magazine is manufactured out of 410 stainless steel, producing a magazine with longer life, greater strength, and better corrosion resistance. In combination with the Staccato 2011 frame, the Staccato 2011 magazine allows for maximum round capacity. All magazines feature Staccato's newly updated Gen 2 follower and the Dawson Precision Tactical Advantage base pad. 126mm/17rd magazinesare compatible with the following Staccato models: C2 (Magazine Will Stick Out Past End of Grip) P XC XL