Machined to ultra-precise tolerances and held to super-strict quality control standards, the Wilson Combat 1911 Elite Tactical Compact 9mm 10-Round Magazine with Lo-Profile Steel Base Pad features a custom-welded aircraft-grade stainless steel body with a low-profile steel base pad for lasting shock and corrosion resistance. The .025"-thick tube walls maximize strength for longer service life, while factory-machined witness slots make for easy visual round counts. The proprietary multi-step tumbling and finishing process delivers exceptionally smooth operation for enhanced reliability in adverse environments. Plus, the durable steel spring and innovative steel follower ensure smooth and reliable feeding performance with a positive last-round hold open for enhanced safety with minimal creep and improved stability. 10-round capacity. Made in USA.