The Wilson Combat® 1911 Elite Tactical 9mm 10-Round Magazine with Pad is made of precision-machined, aircraft-grade stainless steel and offers superior durability. A unique multi-step tumbling and finishing process also ensures exceptionally smooth operation and insertion into the weapon for increased reliability in the field or at the range. Steel feed lips, a high-tensile steel spring, and a self-lubricating nylon follower provide dependable feeding performance. A positive last-round slide lock increases safety. The removable polymer floor plate allows for simple disassembly for cleaning and maintenance when necessary, and the numbered observation slots make it simple to visually count the rounds. Not only that, but this centerfire pistol magazine is 100% American-made with high-grade parts and materials for unbeatable quality and dependable field service. American made.