1911 Magazine, .45 ACP, Full-Size (Government Model), 10 Round Capacity, Polymer Extended Basepad Wilson Combat's legendary magazines are so inherently reliable they'll make virtually ANY 1911 pistol function EVERYTIME, including YOURS! Features: Increases Reliability in ALL 1911 Pistols Aircraft Grade Certified Stainless Steel Tube Resists Corrosion .025" Tube Walls - Thickest In The Industry and Heat Treated for Maximum Durability and Service Life Fiber-Fill Nylon Self-Lubricating ETM Follower Provides feeding and positive lock back Maximum Tensile Strength Heavy-Duty Stainless steel Spring for Long Service Life, Enhanced Feeding and Positive Slide Stop Operation without fear of corrosion Removable Polymer base adds grip length for enhanced shooting and rapid reloading and is marked for magazine numbering No Other Magazine on the Market Can Compare for Proven Inherent Reliability, Durability and the Ability to Remain Loaded for Long Periods of Time Without Damage. No-Risk Service Policy - Wilson Combat will replace any magazine tube that spreads, cracks or becomes unusable during normal use. Wilson Combat magazine springs and followers are considered consumable items and may require replacing after extensive use. Black Fluoropolymer Finish