1911 Magazine, 10mm, Full-Size (Government Model), 9 Round Capacity, .350" Plastic Base Pad Our legendary magazines are so inherently reliable they'll make virtually ANY 1911 pistol function EVERYTIME, including YOURS! Features: Patented extended skirt, anti-tilt all-metal follower ensures lockback and increases reliability in all 10mm 1911 Pistols Aircraft Grade Certified Stainless Steel Tube Resists Corrosion .025" Tube Walls - Thickest In The Industry Maximum Tensile Strength Heavy-Duty Spring for Long Service Life, Enhanced Feeding and Positive Slide Stop Operation Removable .350" Polymer Base Pad (47BN) for Easy Maintenance and Versatility with Different Base Pad Options 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.