With the Wilson Combat® 1911.40 S&W 9-Round Magazine With Pad, you can shoot better at the range. This magazine is made of sturdy aircraft-grade stainless steel and has precision-machined witness windows for rapid round counts. The unique extended skirt, anti-tilt follower provides smooth, dependable feeding, while the ultrahigh tensile, heavy-duty spring offers long-lasting performance and a positive sliding stop function for increased reliability. Furthermore, maintenance and cleaning are made simple by the detachable.350″ plastic base pad.